Question

is this correct? mg2+ n2=0

@DanJS

Answer 1

Which of the following is a possible formula unit?
Select one:
a. PbO
b. Li2B
c. Al2Pb3
d. ClO

i also need help with this?

Answer 2

Magnesium is in the second column group, it has +2 charge on the ion
Nitrogen usually has the -3 charge

you need 3 Magnesium (+6) and 2 nitrogen (-6) to be neutral
\[Mg _{3}N _{2}\]
Magnesium Nitride

Answer 3

okay thank you

Answer 4

Lead Pb can have possible oxidation states of +4,+3,+2,+1
Oxygen has oxidation state -2

PbO is a possible formula unit

Answer 5

Lead (II) Oxide

Answer 6

here is a quick thing explaining "formula unit"
http://en.wikipedia.org/wiki/Formula_unit

Answer 7

thanks again, you're the greatest

Answer 8

the lowest whole number ratio of ions represented in an ionic compound

Answer 9

you're welcome