the lewis structure for each of the following species except ____ contains a triple bond?

Question

N3-
O2 2+
N2
NO+
HCCH

Answer 1

I'm not very fast at these things but I think I can draw a triple bond for all but N3^-.
Try them and see what you think.
You can go to google and type in
lewis structures and the substance and find most of them I think.