Download The Periodic Table

Name__________________________________Period_______Date_________
The Periodic Table
Directions: Using your textbook (sections 5.1 & 5.2), and the “Elements of the Periodic
Table” handout, answer each of the following questions:
Explain the following scientists’ contributions to the development of the periodic
table:
Mendeleev –
Moseley –
Define the following terms:
Periodic Law -
Periodic Table -
Lanthanides -
Actinides -
Periodicity -
Groups(Family) -
Period -
Give the name and symbol of the elements.
1. Members of the following families:
Alkali Metals
Pnicogens (Nitrogen Group)
Alkaline Earth Metals
Chalcogens (Sulfur Group)
Halogens
Noble Gases
2. First man made element.
9. The most active element.
3. Used in flashbulbs.
10. The most active metallic family.
4. Also called rare gases.
11. The least active family.
5. Discovered in sunlight.
12. The most active nonmetallic element.
6. Define the term allotrope.
13. The most active nonmetal family.
7. Name the scientists that helped
develop the periodic table.
14. Most abundant element in the universe.
8. Name the seven diatomic molecules.
15. Carries O2 in the blood steam.
16. 78% of the earth’s atmosphere.