Ionic Compounds Flashcards
1
Q
Polyatomic Ions
A
2 or more NONMETAL atoms with a covalent bond
I.e. NH3 is a molecular compound
NH4+ is a polyatomic cation
2
Q
Ionic Compounds
A
Xm Yn
3
Q
Xn+ swapped Ym-
Superscript
A
XmYn
I.e. Mg2+ + O2- -> Mg2O2 -> MgO
4
Q
Xm swapped Yn
Subscript
A
Xn+ Ym- (relative charge)
I.e. MgO -> Mg2+ O2-