The Lewis structure of HCN (H bonded to C) shows that __________ has __________ nonbonding electron pairs.Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.aH, 1bC, 1cN, 2dN, 1

The correct answer is cN, 2.

Here's why:

1. First, we need to draw the Lewis structure of HCN. Hydrogen (H) has 1 valence electron, Carbon (C) has 4, and Nitrogen (N) has 5.

2. H is bonded to C, and C is bonded to N. This means that H shares its 1 electron with C, and C shares 3 of its 4 electrons with H and N (1 with H, 2 with N).

3. This leaves Nitrogen (N) with 2 nonbonding electron pairs. Nitrogen started with 5 electrons, 3 of which are used in bonds with Carbon, leaving 2 nonbonding pairs.

So, the answer is "N, 2".