Which chemical family below would the element iodine most likely belong to?

How many molecules are found in 1.32 mol of nacl?

Iwould appreciate if someone could me.

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.