polyatomic ions Flashcards
1
Q
hydroxide
A
OH, negative 1
2
Q
nitrate
A
NO3, negative 1
3
Q
carbonate
A
CO3, negative 2
4
Q
sulfate
A
SO4, negative 2
5
Q
phosphate
A
PO4, negative 3
6
Q
ammonium
A
NH4, positive 1
7
Q
how are ionic compounds named
A
metal + nonmetal(polyatomic ion)
8
Q
suffix for name of non metal
A
‘ide’
9
Q
how is valency for anions with more than one valence state indicated
A
roman numerals in brackets