Question

#1) Draw the following ions using a Bohr diagram:
b)oxygen: i got [oxygen:2)8)]-2 (the -2 is an exponent) but the answer said [oxygen: 2)8)8)]-2...is this right?
d)fluorine: i got [fluorine:2)8)]-1 and the book says [fluorine: 2)8)8)]-1..again, is the book making a mistake?

#8)Using Lewis structures, draw the formation of the following ionic bond and write its chemical formula: magnesium and phosphorus, magnesium and nitrogen

Answer 1

Your book is wrong on both counts. You are correct.

Answer 2

Thanks Bob, that makes it very frustrating for me b/c all night I was thinking that I was doing it wrong!
could you please help me with this question as well:

#8)Using Lewis structures, draw the formation of the following ionic bond and write its chemical formula: a)magnesium and phosphorus b) magnesium and nitrogen