Table Ways the Periodic Table is Organized Use the Chemical Interactions textbook to describe the following ways the periodic table is organized. Be sure to give examples as well as the definition: 1. Groups (p. 22) 2. Periods (p. 22) 3. Reactivity (p. 26) 4. Atomic Number (p. 19)
Activity #36: The Periodic Table Ways the Periodic Table is Organized Use the Chemical Interactions textbook to describe the following ways the periodic.
Jan 18, 2018
Ways the Periodic Table is Organized Periods- horizontal rows, a proton is added to each element from left to right; ex. Period 2 contains Lithium, Beryllium, Boron, etc.
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Activity #36: The Periodic TableWays the Periodic Table is Organized
Use the Chemical Interactions textbook to describe the following ways the periodic table is organized. Be sure to give examples as well as the definition:
1. Groups (p. 22)
2. Periods (p. 22)
3. Reactivity (p. 26)
4. Atomic Number (p. 19)
Ways the Periodic Table is Organized
Groups- vertical columns, elements have similar physical properties; Ex. Group 1 contains Hydrogen, Lithium, Sodium, etc.
Ways the Periodic Table is Organized
Periods- horizontal rows, a proton is added to each element from left to right; ex. Period 2 contains Lithium, Beryllium, Boron, etc.
Ways the Periodic Table is Organized
Reactivity- how likely an element is to undergo a chemical change; Elements in groups 1 and 17 are highly reactive and chemically react easily with other elements
https://www.youtube.com/watch?v=J7b2aBKa6-U (video on Halogens from Group 17)
Ways the Periodic Table is Organized
Atomic Number- the number of protons in the nucleus of an atom; the atomic number increases from left to right; Ex: the atomic number of Hydrogen is 1, Helium 2, Lithium 3….
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