Chemistry Problem Help!!!!?

0 ⤊

Chemistry Problem Help!!!!?

Please Help:

The electron dot structure (Lewis Structure( for which of the following molecules would have two unshared pairs of electrons on the central atom?

H2S
NH3
CH4
HCN
CO2

2006-12-10 02:25:30 · 4 answers · asked by slickestboy2 1 in Science & Mathematics ➔ Chemistry

4 answers

S - 2 bonds 2 pair lone electrons
N - 3 bonds 1 pair lone electrons
C - 4 bonds 0 pair lone electrons

H₃N:

2006-12-10 02:56:46 · answer #1 · answered by rm 3 · 0⤊ 0⤋

NH3 has one lone pair.
H2S has two lone pairs on the S atom.

2006-12-10 10:47:41 · answer #2 · answered by Gervald F 7 · 0⤊ 0⤋

H2S - 2
NH3 - 1
CH4, HCN, CO2 - 0

2006-12-10 12:08:46 · answer #3 · answered by TheOnlyBeldin 7 · 0⤊ 0⤋

NH3

2006-12-10 10:36:26 · answer #4 · answered by James Chan 4 · 0⤊ 1⤋