Answer:
see explanation!
Explanation:
1a. There are no gaps/sticks between the potassium ions and sulfide ions.
1c. (two) shared pairs between H and S 1
(rest correct - no additional hydrogen electrons and two non-bonding pairs on sulfur second mark dependent on first)
1d. (2 × 27) + 3[32 + (16 × 4)] = 342
