The periodic table and ionic charge states?

Question

Word List

actinide series

alkali metal

alkaline earth metal. noble gas. halogen.

lanthanide series.

N O F down

Which group of the periodic table is most likely described by questions 1-5?

1) These elements have a charge of +1 when forming ionic compounds.

2) These elements have a charge of +2 when forming ionic compounds.

3) These elements are almost entirely unreactive. _____________________

4) These elements are radioactive. _________________________________

For problems 8-11, describe the charge atoms of each element takes on when forming ionic compounds:

8) oxygen _________ 10) potassium _________

9) gallium _________ 11) nitrogen _________

12) These elements are all diatomic. ________________________________

Answer 1

1. alakali metals

2. alkaline metals

3. noble gases

4. lanthanide series

8.  -2

9. +1

10. +3

11. -3

12. H N O F Cl Br and I