Which species below is the sulfate ion?
A) CN-
B) SO42-
C) OH-
D) SO32-
E) None of the above
Question 2
An ionic solid, NaCl (s), dissolves in water because of the ________.
A) relatively low lattice energy due to small charges of Na+ and Cl- ions
B) simple face-centered cubic unit cell type it forms
C) 1:1 ratio of ions in the unit cell
D) strong coulombic interactions between oppositely charged ions
E) relatively low melting point
Question 3
Which compound has the atom with the highest oxidation number?
A) CaS
B) Na3N
C) MgSO3
D) Al(NO2)3
E) NH4Cl