Questions 1 - 3:
a) F
b) S
c) Mg
d) Ar
e) Mn
1) Forms monatomic ions with -2 charge in solutions.
Ans A, B, C, D or F
2) Forms a compound having the formula KXOsub 4.
Ans A, B, C, D or E
3) Forms oxides that are common air pollutants and that yield acidic solutions in water.
Ans A, B, C, D or E