formulas naming stuff

Question 1

molecular naming

Answer 1

1 element= no name change, at prefix
2 element= add prefix, end changes to ide

Question 2

Ionic naming (going from formula to write out)

Answer 2

multiply number of 2nd element and charge then divide by first element
thats the roman numeral (simplify if needed)
keep first add ide

Question 3

Ionic naming (going from writing it out to formula)

Answer 3

switch charges (still simplify if needed)
if there is a roman numeral then thats the charge of the first one and must be switched