Atoms. Atomic theory video.

Page 1

Atoms

Page 2

• https://www.youtube.com/watch?v=xazQRcSCRaY• Atomic theory video

Page 3

•How small is an atom? •http://www.ted.com/talks/just_how_small_is_an_atom#

Page 4

The Building Blocks of Matter: Atoms

+

++

+

+++

-

-

-

-

--

-

-+

Page 5

Atoms• Smallest possible unit into

which matter can • Made up of sub-atomic

particles:– protons– neutrons– electrons

+

-

+++

-

-

- -+

Page 6

Protons (+)• Positively charged

particles• Help make up the

nucleus of the atom• Help identify the atom

(could be considered an atom’s DNA)

• Equal to the atomic number of the atom

• Contribute to the atomic mass

• Equal to the number of electrons

+

+

+++

+++

-

-

-

-

--

-

-+

Page 7

Neutrons

• Neutral particles; have no electric charge

• Help make up the nucleus of the atom

• Contribute to the atomic mass

+

+++

+++

-

-

-

-

--

-

-+

Page 8

Electrons (-)

• Negatively charged particles

• Found outside the nucleus of the atom

• Equal to the number of protons

-

+

+++

+++

-

-

-

-

--

-

-+

Page 9

The Atom’s “Center”

• Protons and neutrons are grouped together to form the “center” or nucleus of an atom.

-

+++

Notice that the electrons are not apart of the nucleus

--

Page 10

Take out your Physical science textbook

Page 11

The Periodic Table of Elements (pure substances that contain protons, electrons, and neutrons)

118

Uuo117

Uus116Uuh(292)

115

Uup(288)

114

Uuq(289)

113

Uut(284)

112Uub(285)

111

Rg(272)

110

Ds(269)

109

Mt(268)

108

Hs(269)

107

Bh(264)

106

Sg(266)

105

Db(262)

104

Rf(261)

103

Lr(262)

88

Ra(226)

87

Fr(223)

86

Rn(222)

85

At(210)

84

Po(209)

83

Bi208.980

82

Pb207.2

81

Tl204.383

80

Hg200.59

79

Au196.967

78

Pt195.078

77

I r192.217

76

Os190.23

75

Re186.207

74

W183.84

73

Ta180.95

72

Hf178.49

71

Lu174.967

56

Ba137.327

55

Cs132.905

54

Xe131.29

53

I126.904

52

Te127.60

51

Sb121.760

50

Sn118.710

49

I n114.818

48

Cd112.4

47

Ag107.868

46

Pd106.42

45

Rh102.906

44

Ru101.07

43

Tc(98)

42

Mo95.94

41

Nb92.906

40

Zr91.224

39

Y88.906

38

Sr87.62

37

Rb85.468

36

Kr83.80

35

Br79.904

34

Se78.96

33

As74.922

32

Ge72.61

31

Ga69.723

30

Zn65.39

29

Cu63.546

28

Ni58.69

27

Co58.933

26

Fe55.845

25

Mn54.938

24

Cr51.996

23

V50.942

22

Ti47.87

21

Sc44.956

20

Ca40.078

19

K39.098

118

Uuo117

Uus116Uuh(292)

115

Uup(288)

114

Uuq(289)

113

Uut(284)

112Uub(285)

111

Rg(272)

110

Ds(269)

109

Mt(268)

108

Hs(269)

107

Bh(264)

106

Sg(266)

105

Db(262)

104

Rf(261)

103

Lr(262)

88

Ra(226)

87

Fr(223)

86

Rn(222)

85

At(210)

84

Po(209)

83

Bi208.980

82

Pb207.2

81

Tl204.383

80

Hg200.59

79

Au196.967

78

Pt195.078

77

I r192.217

76

Os190.23

75

Re186.207

74

W183.84

73

Ta180.95

72

Hf178.49

71

Lu174.967

56

Ba137.327

55

Cs132.905

54

Xe131.29

53

I126.904

52

Te127.60

51

Sb121.760

50

Sn118.710

49

I n114.818

48

Cd112.4

47

Ag107.868

46

Pd106.42

45

Rh102.906

44

Ru101.07

43

Tc(98)

42

Mo95.94

41

Nb92.906

40

Zr91.224

39

Y88.906

38

Sr87.62

37

Rb85.468

36

Kr83.80

35

Br79.904

34

Se78.96

33

As74.922

32

Ge72.61

31

Ga69.723

30

Zn65.39

29

Cu63.546

28

Ni58.69

27

Co58.933

26

Fe55.845

25

Mn54.938

24

Cr51.996

23

V50.942

22

Ti47.87

21

Sc44.956

20

Ca40.078

19

K39.098

102

No(259)

101

Md(258)

100

Fm(257)

99

Es(252)

98

Cf(251)

97

Bk(247)

96

Cm(247)

95

Am(243)

94

Pu(244)

93

Np(237)

92

U238.029

91

Pa231.036

90

Th232.038

89

Ac(227)

70

Yb173.04

69

Tm168.934

68

Er167.26

67

Ho164.930

66

Dy162.50

65

Tb158.925

64

Gd157.25

63

Eu151.964

62

Sm150.36

61

Pm(145)

60

Nd144.24

59

Pr140.908

58

Ce140.116

57

La138.906

102

No(259)

101

Md(258)

100

Fm(257)

99

Es(252)

98

Cf(251)

97

Bk(247)

96

Cm(247)

95

Am(243)

94

Pu(244)

93

Np(237)

92

U238.029

91

Pa231.036

90

Th232.038

89

Ac(227)

70

Yb173.04

69

Tm168.934

68

Er167.26

67

Ho164.930

66

Dy162.50

65

Tb158.925

64

Gd157.25

63

Eu151.964

62

Sm150.36

61

Pm(145)

60

Nd144.24

59

Pr140.908

58

Ce140.116

57

La138.906

12

Mg24.305

11

Na22.990

4

Be9.012

3

Li6.941

12

Mg24.305

11

Na22.990

4

Be9.012

3

Li6.941

1

H1.008

1

H1.008

2

He4.003

2

He4.003

18

Ar39.948

17

Cl35.453

16

S32.066

15

P30.974

14

Si28.086

13

Al26.982

18

Ar39.948

17

Cl35.453

16

S32.066

15

P30.974

14

Si28.086

13

Al26.982

10

Ne20.180

9

F18.998

8

O15.999

7

N14.007

6

C12.001

5

B10.811

10

Ne20.180

9

F18.998

8

O15.999

7

N14.007

6

C12.001

5

B10.811

1

2

3

4

5

6

7

1

2

3 4 5 6 7 8 9 10 11 12

13 14 15 16 17

18

Lanthanides

Actinides

Page 12

Atomic Number

• The number of protons in the nucleus of an atom

+++

--

-

What would be the atomic

number of this atom?

Page 13

• Look at your copy of the periodic table each element (box) has an atomic number usually at the top of the box

Page 14

Atomic Mass Number

• The total number of protons and neutrons in an atom’s nucleus

+++

-

-

-What would be the

mass number of this atom?+ 3

4

3 protons + 4 neutrons = a mass number of 7

Page 15

• Look at your copy of the periodic table each element (box) has an atomic mass number usually at the bottom of the box

Page 16

Label the periodic table

• Group 1:Alkali metals• Most reactive metal • Sodium and potassium most important for humans• Lithium found in batteries and some medicine

Page 17

• Group 2: alkaline earth metals• Not as reactive as group 1• Mg and Ca most common • Group 3-12: transition metals • Most are hard and shiny • Less reactive • Iron

Page 18

• Group 13: Boron family• Aluminum • Group 14: Carbon family• Carbon• Group 15: Nitrogen family • Phosphorous • Group 16: oxygen family • Lungs

Page 19

• Group 17: Fluorine/Halogens family • Salt forming• Chlorine • Group 18: noble gases • Kings of the periodic table

Page 20

3 Classes of Elements

118

Uuo117

Uus116Uuh(292)

115

Uup(288)

114

Uuq(289)

113

Uut(284)

112Uub(285)

111

Rg(272)

110

Ds(269)

109

Mt(268)

108

Hs(269)

107

Bh(264)

106

Sg(266)

105

Db(262)

104

Rf(261)

103

Lr(262)

88

Ra(226)

87

Fr(223)

86

Rn(222)

85

At(210)

84

Po(209)

83

Bi208.980

82

Pb207.2

81

Tl204.383

80

Hg200.59

79

Au196.967

78

Pt195.078

77

I r192.217

76

Os190.23

75

Re186.207

74

W183.84

73

Ta180.95

72

Hf178.49

71

Lu174.967

56

Ba137.327

55

Cs132.905

54

Xe131.29

53

I126.904

52

Te127.60

51

Sb121.760

50

Sn118.710

49

I n114.818

48

Cd112.4

47

Ag107.868

46

Pd106.42

45

Rh102.906

44

Ru101.07

43

Tc(98)

42

Mo95.94

41

Nb92.906

40

Zr91.224

39

Y88.906

38

Sr87.62

37

Rb85.468

36

Kr83.80

35

Br79.904

34

Se78.96

33

As74.922

32

Ge72.61

31

Ga69.723

30

Zn65.39

29

Cu63.546

28

Ni58.69

27

Co58.933

26

Fe55.845

25

Mn54.938

24

Cr51.996

23

V50.942

22

Ti47.87

21

Sc44.956

20

Ca40.078

19

K39.098

118

Uuo117

Uus116Uuh(292)

115

Uup(288)

114

Uuq(289)

113

Uut(284)

112Uub(285)

111

Rg(272)

110

Ds(269)

109

Mt(268)

108

Hs(269)

107

Bh(264)

106

Sg(266)

105

Db(262)

104

Rf(261)

103

Lr(262)

88

Ra(226)

87

Fr(223)

86

Rn(222)

85

At(210)

84

Po(209)

83

Bi208.980

82

Pb207.2

81

Tl204.383

80

Hg200.59

79

Au196.967

78

Pt195.078

77

I r192.217

76

Os190.23

75

Re186.207

74

W183.84

73

Ta180.95

72

Hf178.49

71

Lu174.967

56

Ba137.327

55

Cs132.905

54

Xe131.29

53

I126.904

52

Te127.60

51

Sb121.760

50

Sn118.710

49

I n114.818

48

Cd112.4

47

Ag107.868

46

Pd106.42

45

Rh102.906

44

Ru101.07

43

Tc(98)

42

Mo95.94

41

Nb92.906

40

Zr91.224

39

Y88.906

38

Sr87.62

37

Rb85.468

36

Kr83.80

35

Br79.904

34

Se78.96

33

As74.922

32

Ge72.61

31

Ga69.723

30

Zn65.39

29

Cu63.546

28

Ni58.69

27

Co58.933

26

Fe55.845

25

Mn54.938

24

Cr51.996

23

V50.942

22

Ti47.87

21

Sc44.956

20

Ca40.078

19

K39.098

102

No(259)

101

Md(258)

100

Fm(257)

99

Es(252)

98

Cf(251)

97

Bk(247)

96

Cm(247)

95

Am(243)

94

Pu(244)

93

Np(237)

92

U238.029

91

Pa231.036

90

Th232.038

89

Ac(227)

70

Yb173.04

69

Tm168.934

68

Er167.26

67

Ho164.930

66

Dy162.50

65

Tb158.925

64

Gd157.25

63

Eu151.964

62

Sm150.36

61

Pm(145)

60

Nd144.24

59

Pr140.908

58

Ce140.116

57

La138.906

102

No(259)

101

Md(258)

100

Fm(257)

99

Es(252)

98

Cf(251)

97

Bk(247)

96

Cm(247)

95

Am(243)

94

Pu(244)

93

Np(237)

92

U238.029

91

Pa231.036

90

Th232.038

89

Ac(227)

70

Yb173.04

69

Tm168.934

68

Er167.26

67

Ho164.930

66

Dy162.50

65

Tb158.925

64

Gd157.25

63

Eu151.964

62

Sm150.36

61

Pm(145)

60

Nd144.24

59

Pr140.908

58

Ce140.116

57

La138.906

12

Mg24.305

11

Na22.990

4

Be9.012

3

Li6.941

12

Mg24.305

11

Na22.990

4

Be9.012

3

Li6.941

1

H1.008

1

H1.008

2

He4.003

2

He4.003

18

Ar39.948

17

Cl35.453

16

S32.066

15

P30.974

14

Si28.086

13

Al26.982

18

Ar39.948

17

Cl35.453

16

S32.066

15

P30.974

14

Si28.086

13

Al26.982

10

Ne20.180

9

F18.998

8

O15.999

7

N14.007

6

C12.001

5

B10.811

10

Ne20.180

9

F18.998

8

O15.999

7

N14.007

6

C12.001

5

B10.811

1

2

3

4

5

6

7

1

2

3 4 5 6 7 8 9 10 11 12

13 14 15 16 17

18

Lanthanides

Actinides

Class Color

Metal

Non-Metal

Metalloid

Using this as a guide, color code your periodic table to

show the three classes. Start by highlighting the

“zig-zag.”

Page 21

Metals

Location • Found on the left of

the zigzag line/staircase on the periodic table (exception Hydrogen)

• ductile, good conductors, malleable, shiny, most are solid @ room temperature

What metal is not a solid@ room temperature?

Image taken from: http://chemistry.about.com/od/periodictableelements/ig/Element-Photo-Gallery.--98/Sodium.htm

11

Na

22.990

79

Au

196.967

Page 22

Non-MetalsLocation

• Most found to the right of the zigzag line/staircase on the periodic table

• not ductile or malleable, not shiny, poor conductors, most are solid

Image taken from: http://nobel.scas.bcit.ca/resource/ptable/cl.htm

Image taken from:https://www.dmr.nd.gov/ndgs/rockandmineral/sulfur.asp

16

S32.06

6

17

Cl35.45

3

Page 23

Metalloids

Location • Border the

zigzag line/staircase on the periodic table

• have properties of both metals and non-metals

Image taken from: http://library.thinkquest.org/C0113863/bios.shtml

Image taken from: http://library.thinkquest.org/C0113863/bios.shtml

5

B10.81

1

14

Si28.08

6

Page 24

Period (Row)

• Seven periods on a periodic table (left to right or right to left)

Page 25

Period (Row)

• each horizontal row of elements on the periodic table

118

Uuo117

Uus116Uuh(292)

115

Uup(288)

114

Uuq(289)

113

Uut(284)

112Uub(285)

111

Rg(272)

110

Ds(269)

109

Mt(268)

108

Hs(269)

107

Bh(264)

106

Sg(266)

105

Db(262)

104

Rf(261)

103

Lr(262)

88

Ra(226)

87

Fr(223)

86

Rn(222)

85

At(210)

84

Po(209)

83

Bi208.980

82

Pb207.2

81

Tl204.383

80

Hg200.59

79

Au196.967

78

Pt195.078

77

I r192.217

76

Os190.23

75

Re186.207

74

W183.84

73

Ta180.95

72

Hf178.49

71

Lu174.967

56

Ba137.327

55

Cs132.905

54

Xe131.29

53

I126.904

52

Te127.60

51

Sb121.760

50

Sn118.710

49

I n114.818

48

Cd112.4

47

Ag107.868

46

Pd106.42

45

Rh102.906

44

Ru101.07

43

Tc(98)

42

Mo95.94

41

Nb92.906

40

Zr91.224

39

Y88.906

38

Sr87.62

37

Rb85.468

36

Kr83.80

35

Br79.904

34

Se78.96

33

As74.922

32

Ge72.61

31

Ga69.723

30

Zn65.39

29

Cu63.546

28

Ni58.69

27

Co58.933

26

Fe55.845

25

Mn54.938

24

Cr51.996

23

V50.942

22

Ti47.87

21

Sc44.956

20

Ca40.078

19

K39.098

118

Uuo117

Uus116Uuh(292)

115

Uup(288)

114

Uuq(289)

113

Uut(284)

112Uub(285)

111

Rg(272)

110

Ds(269)

109

Mt(268)

108

Hs(269)

107

Bh(264)

106

Sg(266)

105

Db(262)

104

Rf(261)

103

Lr(262)

88

Ra(226)

87

Fr(223)

86

Rn(222)

85

At(210)

84

Po(209)

83

Bi208.980

82

Pb207.2

81

Tl204.383

80

Hg200.59

79

Au196.967

78

Pt195.078

77

I r192.217

76

Os190.23

75

Re186.207

74

W183.84

73

Ta180.95

72

Hf178.49

71

Lu174.967

56

Ba137.327

55

Cs132.905

54

Xe131.29

53

I126.904

52

Te127.60

51

Sb121.760

50

Sn118.710

49

I n114.818

48

Cd112.4

47

Ag107.868

46

Pd106.42

45

Rh102.906

44

Ru101.07

43

Tc(98)

42

Mo95.94

41

Nb92.906

40

Zr91.224

39

Y88.906

38

Sr87.62

37

Rb85.468

36

Kr83.80

35

Br79.904

34

Se78.96

33

As74.922

32

Ge72.61

31

Ga69.723

30

Zn65.39

29

Cu63.546

28

Ni58.69

27

Co58.933

26

Fe55.845

25

Mn54.938

24

Cr51.996

23

V50.942

22

Ti47.87

21

Sc44.956

20

Ca40.078

19

K39.098

102

No(259)

101

Md(258)

100

Fm(257)

99

Es(252)

98

Cf(251)

97

Bk(247)

96

Cm(247)

95

Am(243)

94

Pu(244)

93

Np(237)

92

U238.029

91

Pa231.036

90

Th232.038

89

Ac(227)

70

Yb173.04

69

Tm168.934

68

Er167.26

67

Ho164.930

66

Dy162.50

65

Tb158.925

64

Gd157.25

63

Eu151.964

62

Sm150.36

61

Pm(145)

60

Nd144.24

59

Pr140.908

58

Ce140.116

57

La138.906

102

No(259)

101

Md(258)

100

Fm(257)

99

Es(252)

98

Cf(251)

97

Bk(247)

96

Cm(247)

95

Am(243)

94

Pu(244)

93

Np(237)

92

U238.029

91

Pa231.036

90

Th232.038

89

Ac(227)

70

Yb173.04

69

Tm168.934

68

Er167.26

67

Ho164.930

66

Dy162.50

65

Tb158.925

64

Gd157.25

63

Eu151.964

62

Sm150.36

61

Pm(145)

60

Nd144.24

59

Pr140.908

58

Ce140.116

57

La138.906

12

Mg24.305

11

Na22.990

4

Be9.012

3

Li6.941

12

Mg24.305

11

Na22.990

4

Be9.012

3

Li6.941

1

H1.008

1

H1.008

2

He4.003

2

He4.003

18

Ar39.948

17

Cl35.453

16

S32.066

15

P30.974

14

Si28.086

13

Al26.982

18

Ar39.948

17

Cl35.453

16

S32.066

15

P30.974

14

Si28.086

13

Al26.982

10

Ne20.180

9

F18.998

8

O15.999

7

N14.007

6

C12.001

5

B10.811

10

Ne20.180

9

F18.998

8

O15.999

7

N14.007

6

C12.001

5

B10.811

1

2

3

4

5

6

7

1

2

3 4 5 6 7 8 9 10 11 12

13 14 15 16 17

18

Lanthanides

Actinides

Page 26

Group or Family (Columns)

• Eighteen groups on the periodic table (top to bottom or bottom to top)

• Elements in groups or families have similar properties

Page 27

• each column of elements on the periodic table

Group or (Family)

118

Uuo117

Uus116Uuh(292)

115

Uup(288)

114

Uuq(289)

113

Uut(284)

112Uub(285)

111

Rg(272)

110

Ds(269)

109

Mt(268)

108

Hs(269)

107

Bh(264)

106

Sg(266)

105

Db(262)

104

Rf(261)

103

Lr(262)

88

Ra(226)

87

Fr(223)

86

Rn(222)

85

At(210)

84

Po(209)

83

Bi208.980

82

Pb207.2

81

Tl204.383

80

Hg200.59

79

Au196.967

78

Pt195.078

77

I r192.217

76

Os190.23

75

Re186.207

74

W183.84

73

Ta180.95

72

Hf178.49

71

Lu174.967

56

Ba137.327

55

Cs132.905

54

Xe131.29

53

I126.904

52

Te127.60

51

Sb121.760

50

Sn118.710

49

I n114.818

48

Cd112.4

47

Ag107.868

46

Pd106.42

45

Rh102.906

44

Ru101.07

43

Tc(98)

42

Mo95.94

41

Nb92.906

40

Zr91.224

39

Y88.906

38

Sr87.62

37

Rb85.468

36

Kr83.80

35

Br79.904

34

Se78.96

33

As74.922

32

Ge72.61

31

Ga69.723

30

Zn65.39

29

Cu63.546

28

Ni58.69

27

Co58.933

26

Fe55.845

25

Mn54.938

24

Cr51.996

23

V50.942

22

Ti47.87

21

Sc44.956

20

Ca40.078

19

K39.098

118

Uuo117

Uus116Uuh(292)

115

Uup(288)

114

Uuq(289)

113

Uut(284)

112Uub(285)

111

Rg(272)

110

Ds(269)

109

Mt(268)

108

Hs(269)

107

Bh(264)

106

Sg(266)

105

Db(262)

104

Rf(261)

103

Lr(262)

88

Ra(226)

87

Fr(223)

86

Rn(222)

85

At(210)

84

Po(209)

83

Bi208.980

82

Pb207.2

81

Tl204.383

80

Hg200.59

79

Au196.967

78

Pt195.078

77

I r192.217

76

Os190.23

75

Re186.207

74

W183.84

73

Ta180.95

72

Hf178.49

71

Lu174.967

56

Ba137.327

55

Cs132.905

54

Xe131.29

53

I126.904

52

Te127.60

51

Sb121.760

50

Sn118.710

49

I n114.818

48

Cd112.4

47

Ag107.868

46

Pd106.42

45

Rh102.906

44

Ru101.07

43

Tc(98)

42

Mo95.94

41

Nb92.906

40

Zr91.224

39

Y88.906

38

Sr87.62

37

Rb85.468

36

Kr83.80

35

Br79.904

34

Se78.96

33

As74.922

32

Ge72.61

31

Ga69.723

30

Zn65.39

29

Cu63.546

28

Ni58.69

27

Co58.933

26

Fe55.845

25

Mn54.938

24

Cr51.996

23

V50.942

22

Ti47.87

21

Sc44.956

20

Ca40.078

19

K39.098

102

No(259)

101

Md(258)

100

Fm(257)

99

Es(252)

98

Cf(251)

97

Bk(247)

96

Cm(247)

95

Am(243)

94

Pu(244)

93

Np(237)

92

U238.029

91

Pa231.036

90

Th232.038

89

Ac(227)

70

Yb173.04

69

Tm168.934

68

Er167.26

67

Ho164.930

66

Dy162.50

65

Tb158.925

64

Gd157.25

63

Eu151.964

62

Sm150.36

61

Pm(145)

60

Nd144.24

59

Pr140.908

58

Ce140.116

57

La138.906

102

No(259)

101

Md(258)

100

Fm(257)

99

Es(252)

98

Cf(251)

97

Bk(247)

96

Cm(247)

95

Am(243)

94

Pu(244)

93

Np(237)

92

U238.029

91

Pa231.036

90

Th232.038

89

Ac(227)

70

Yb173.04

69

Tm168.934

68

Er167.26

67

Ho164.930

66

Dy162.50

65

Tb158.925

64

Gd157.25

63

Eu151.964

62

Sm150.36

61

Pm(145)

60

Nd144.24

59

Pr140.908

58

Ce140.116

57

La138.906

12

Mg24.305

11

Na22.990

4

Be9.012

3

Li6.941

12

Mg24.305

11

Na22.990

4

Be9.012

3

Li6.941

1

H1.008

1

H1.008

2

He4.003

2

He4.003

18

Ar39.948

17

Cl35.453

16

S32.066

15

P30.974

14

Si28.086

13

Al26.982

18

Ar39.948

17

Cl35.453

16

S32.066

15

P30.974

14

Si28.086

13

Al26.982

10

Ne20.180

9

F18.998

8

O15.999

7

N14.007

6

C12.001

5

B10.811

10

Ne20.180

9

F18.998

8

O15.999

7

N14.007

6

C12.001

5

B10.811

1

2

3

4

5

6

7

1

2

3 4 5 6 7 8 9 10 11 12

13 14 15 16 17

18

Lanthanides

Actinides

Page 28

Identify the Element

118

Uuo117

Uus116Uuh(292)

115

Uup(288)

114

Uuq(289)

113

Uut(284)

112Uub(285)

111

Rg(272)

110

Ds(269)

109

Mt(268)

108

Hs(269)

107

Bh(264)

106

Sg(266)

105

Db(262)

104

Rf(261)

103

Lr(262)

88

Ra(226)

87

Fr(223)

86

Rn(222)

85

At(210)

84

Po(209)

83

Bi208.980

82

Pb207.2

81

Tl204.383

80

Hg200.59

79

Au196.967

78

Pt195.078

77

I r192.217

76

Os190.23

75

Re186.207

74

W183.84

73

Ta180.95

72

Hf178.49

71

Lu174.967

56

Ba137.327

55

Cs132.905

54

Xe131.29

53

I126.904

52

Te127.60

51

Sb121.760

50

Sn118.710

49

I n114.818

48

Cd112.4

47

Ag107.868

46

Pd106.42

45

Rh102.906

44

Ru101.07

43

Tc(98)

42

Mo95.94

41

Nb92.906

40

Zr91.224

39

Y88.906

38

Sr87.62

37

Rb85.468

36

Kr83.80

35

Br79.904

34

Se78.96

33

As74.922

32

Ge72.61

31

Ga69.723

30

Zn65.39

29

Cu63.546

28

Ni58.69

27

Co58.933

26

Fe55.845

25

Mn54.938

24

Cr51.996

23

V50.942

22

Ti47.87

21

Sc44.956

20

Ca40.078

19

K39.098

118

Uuo117

Uus116Uuh(292)

115

Uup(288)

114

Uuq(289)

113

Uut(284)

112Uub(285)

111

Rg(272)

110

Ds(269)

109

Mt(268)

108

Hs(269)

107

Bh(264)

106

Sg(266)

105

Db(262)

104

Rf(261)

103

Lr(262)

88

Ra(226)

87

Fr(223)

86

Rn(222)

85

At(210)

84

Po(209)

83

Bi208.980

82

Pb207.2

81

Tl204.383

80

Hg200.59

79

Au196.967

78

Pt195.078

77

I r192.217

76

Os190.23

75

Re186.207

74

W183.84

73

Ta180.95

72

Hf178.49

71

Lu174.967

56

Ba137.327

55

Cs132.905

54

Xe131.29

53

I126.904

52

Te127.60

51

Sb121.760

50

Sn118.710

49

I n114.818

48

Cd112.4

47

Ag107.868

46

Pd106.42

45

Rh102.906

44

Ru101.07

43

Tc(98)

42

Mo95.94

41

Nb92.906

40

Zr91.224

39

Y88.906

38

Sr87.62

37

Rb85.468

36

Kr83.80

35

Br79.904

34

Se78.96

33

As74.922

32

Ge72.61

31

Ga69.723

30

Zn65.39

29

Cu63.546

28

Ni58.69

27

Co58.933

26

Fe55.845

25

Mn54.938

24

Cr51.996

23

V50.942

22

Ti47.87

21

Sc44.956

20

Ca40.078

19

K39.098

102

No(259)

101

Md(258)

100

Fm(257)

99

Es(252)

98

Cf(251)

97

Bk(247)

96

Cm(247)

95

Am(243)

94

Pu(244)

93

Np(237)

92

U238.029

91

Pa231.036

90

Th232.038

89

Ac(227)

70

Yb173.04

69

Tm168.934

68

Er167.26

67

Ho164.930

66

Dy162.50

65

Tb158.925

64

Gd157.25

63

Eu151.964

62

Sm150.36

61

Pm(145)

60

Nd144.24

59

Pr140.908

58

Ce140.116

57

La138.906

102

No(259)

101

Md(258)

100

Fm(257)

99

Es(252)

98

Cf(251)

97

Bk(247)

96

Cm(247)

95

Am(243)

94

Pu(244)

93

Np(237)

92

U238.029

91

Pa231.036

90

Th232.038

89

Ac(227)

70

Yb173.04

69

Tm168.934

68

Er167.26

67

Ho164.930

66

Dy162.50

65

Tb158.925

64

Gd157.25

63

Eu151.964

62

Sm150.36

61

Pm(145)

60

Nd144.24

59

Pr140.908

58

Ce140.116

57

La138.906

12

Mg24.305

11

Na22.990

4

Be9.012

3

Li6.941

12

Mg24.305

11

Na22.990

4

Be9.012

3

Li6.941

1

H1.008

1

H1.008

2

He4.003

2

He4.003

18

Ar39.948

17

Cl35.453

16

S32.066

15

P30.974

14

Si28.086

13

Al26.982

18

Ar39.948

17

Cl35.453

16

S32.066

15

P30.974

14

Si28.086

13

Al26.982

10

Ne20.180

9

F18.998

8

O15.999

7

N14.007

6

C12.001

5

B10.811

10

Ne20.180

9

F18.998

8

O15.999

7

N14.007

6

C12.001

5

B10.811

1

2

3

4

5

6

7

1

2

3 4 5 6 7 8 9 10 11 12

13 14 15 16 17

18

Lanthanides

Actinides

Period 2 – Group 14 Carbon - C

Period 5 – Group 2 Strontium - Sr

Group 17 – Period 6 Astatine - AtGroup 4 – Period 7 Rutherfordium - Rf

Page 29

Bohr ModelsNiels Bohr created a visual model of the atom to make

them easy to understandA Bohr Model contains a central nucleus surrounded by

electron shellsFor each model you state the number of protons and

neutrons in the nucleus and draw a dot on the electron shells for each electron

Page 30

How many electrons each level can hold

–1st energy level can hold 2 e-–The 2nd can hold 8 e-–The 3rd can hold 18 e-–The 4th can hold 32 e-