Question

Which of the following is an ionic compound?
H20
CO2
CH4
PCI3
NaCI

Answer 1

ionic compound= metal (cation) + nonmetal (anion)

Answer 2

so let's analyze the first one.. it has hydrogen and oxygen, are they both anions (nonmetals) ?

Answer 3

@frogtx1

Answer 4

no

Answer 5

@Chibi_Robo3

Answer 6

you're wrong, they are both anions (nonmetals), so its not the answer

how about the second one? carbon and oxygen? are they both nonmetals?

Answer 7

look at the periodic table

Answer 8

yes @Chibi_Robo3

Answer 9

right, so it is not the answer
remember that we are looking for a compound with a metal and a nonmetal element in it..

try analyzing the rest and tell me which one of them has a a metal and a nonmetal element in it