Periodic Table Groups

What is the name of the group of elements that includes Mg and Ca

What is the name of the group that contains Ar and Kr?

According to Mendeleev, across a row on the periodic table, the atomic mass of atoms should (a)  

What happens to the size of atoms going down a column on the periodic table?

(a)  

Which group of elements do not react?

Which group of elements contains the most reactive metals?

Which group of elements has the most reactive element at the top?

Across the row from Na to Cl, which element has the smallest atom?

Across the row from Na to Cl, which element has the largest atom?

Which atom has the greatest pull on electrons from the choices below