Periodic table can be divided into 3 categories. table.pdf ·  · 2010-08-18Periodic table can be divided into 3 categories. Created by Campesi, SMS. 2 ... Most elements are metals

1

Periodic table can

be divided into 3

categories.

Periodic table can

be divided into 3

categories.

Created by Campesi, SMS

2

Good conductors

of heat, malleable,

ductile, shiny, few

electrons in outer

energy level

Good conductors

of heat, malleable,

ductile, shiny, few

electrons in outer

energy level

Metals:Metals:

3

poor conductors of heat, not

malleable or ductile, not

shiny, almost complete set

of electrons in outer energy

level

poor conductors of heat, not

malleable or ductile, not

shiny, almost complete set

of electrons in outer energy

level

NONMETALSNONMETALS

4

also called semiconductors have properties of both

also called semiconductors have properties of both

MetalloidsMetalloids

5

Most elements are metals which are found to the left of the stairstep.

Most elements are metals which are found to the left of the stairstep.

(Mark the stairstep on your periodic table.)

6

• Horizontal rows are called periods.

• Vertical rows are called groups.

• Horizontal rows are called periods.

• Vertical rows are called groups.

7

Group #1: Alkali MetalsGroup contains: metalsElectrons in outer level: 1Reactivity: very reactive!Other properties: Soft,

silver-colored, shiny, low density

Group #1: Alkali MetalsGroup contains: metalsElectrons in outer level: 1Reactivity: very reactive!Other properties: Soft,

silver-colored, shiny, low density

8

(Pick a color, make a key then color the Alkali Metals.)

9

• Group #2: Alkaline-earth metals

• Group contains: metals• Electrons in the outer level: 2• Reactivity: very reactive but

less than Alkali• Other properties: silver-

colored, more dense than alkali metals

• Group #2: Alkaline-earth metals

• Group contains: metals• Electrons in the outer level: 2• Reactivity: very reactive but

less than Alkali• Other properties: silver-

colored, more dense than alkali metals

10

Add Alkaline metals to your key and color.

11

Groups #3-12: Transition metalsGroup contains: MetalsElectrons in the outer level: 1 or 2Reactivity: Less reactive than

alkaline-earth metalsOther properties: Shiny, good

conductors, higher densities and melting points

Groups #3-12: Transition metalsGroup contains: MetalsElectrons in the outer level: 1 or 2Reactivity: Less reactive than

alkaline-earth metalsOther properties: Shiny, good

conductors, higher densities and melting points

12

Add Transition metals to your key and color.

13

• Lanthanides: follow lanthanum similar properties

• Actinides: follow actinium, all atoms are radioactive, which means they are unstable.

• Lanthanides: follow lanthanum similar properties

• Actinides: follow actinium, all atoms are radioactive, which means they are unstable.

14

Add Lanthanides to your key and color.Add Actinides to your key and color.

15

• Metalloids, also called semiconductors.

• Have properties of both metals and nonmetals.

• Have ½ a complete set of electrons.

• Metalloids, also called semiconductors.

• Have properties of both metals and nonmetals.

• Have ½ a complete set of electrons.

16

Put dots in the middle on your metalloids and add it to your key.

17

• Group #13: Boron group• Group contains: 1 metalloid

and 4 metals• Electrons in the outer level:

3• Reactivity: reactive• Other shared properties:

Solid at room temp

• Group #13: Boron group• Group contains: 1 metalloid

and 4 metals• Electrons in the outer level:

3• Reactivity: reactive• Other shared properties:

Solid at room temp

18

Add the Boron group to your key and color.

19

• Group #14: Carbon group• Group contains: 1 non, 2

metalloids, 2 metals• Electrons in the outer

level: 4• Reactivity: varies• Other shared properties:

solid at rm temp.

• Group #14: Carbon group• Group contains: 1 non, 2

metalloids, 2 metals• Electrons in the outer

level: 4• Reactivity: varies• Other shared properties:

solid at rm temp.

20

Add the Carbon group to your key and color.

21

• Group # 15: Nitrogen group• Group contains: 2 non, 2

metalloids, 1 metal• Electrons in the outer level: 5• Reactivity: varies• Other shared properties: all

but nitrogen are solid at room temp.

• Group # 15: Nitrogen group• Group contains: 2 non, 2

metalloids, 1 metal• Electrons in the outer level: 5• Reactivity: varies• Other shared properties: all

but nitrogen are solid at room temp.

22

Add the Nitrogen group to your key and color.

23

• Group #16: Oxygen group• Group contains: 3 non, 1

metalloid, 1 metal• Electrons in the outer level: 6• Reactivity: varies• Other shared properties: all

but oxygen are solids at room temp.

• Group #16: Oxygen group• Group contains: 3 non, 1

metalloid, 1 metal• Electrons in the outer level: 6• Reactivity: varies• Other shared properties: all

but oxygen are solids at room temp.

24Add the Oxygen group to your key and color.

25

• Group #17: Halogen group• Group contains: nonmetals• Electrons in the outer level: 7• Reactivity: VERY reactive• Other shared properties: poor

conductors, react violently with alkali metals, never found alone in nature

• Group #17: Halogen group• Group contains: nonmetals• Electrons in the outer level: 7• Reactivity: VERY reactive• Other shared properties: poor

conductors, react violently with alkali metals, never found alone in nature

26

Add the Halogen group to your key and color.

27

• Group # 18: Inert or Noble gases

• Group contains: nonmetals• Electrons in outer level: 8• Reactivity: unreactive• Other shared properties:

colorless, odorless gases at room temp.

• Group # 18: Inert or Noble gases

• Group contains: nonmetals• Electrons in outer level: 8• Reactivity: unreactive• Other shared properties:

colorless, odorless gases at room temp.

28

Add the Inert or Noble gases group to your key and color.

29

• Hydrogen stands alone!• Electrons in outer level: 1• Other properties:

colorless, odorless gas at room temp., low density, reacts explosively with oxygen

• Hydrogen stands alone!• Electrons in outer level: 1• Other properties:

colorless, odorless gas at room temp., low density, reacts explosively with oxygen

30