Which Lewis symbol correctly represents the oxide ion?

CHEMISTRY · Single correct · A Level · Chemistry · Bonding · Bonding

Problem

Which Lewis symbol correctly represents the oxide ion? (a) O surrounded by three pairs of dots (6 electrons) with a

2^-

superscript (b) O surrounded by four pairs of dots (8 electrons) with a

1^-

superscript (c) O surrounded by four pairs of dots (8 electrons) with a

2^-

superscript (d) O surrounded by three pairs of dots and one single dot (7 electrons) with a

1^-

superscript