Answer:
C.) 2-butyne
Explanation:
Since the molecule has 4 central carbons, it has the prefix but-.
Since the molecule has a triple bond between central carbons, it has an ending of -yne.
Since the triple bond starts on the second carbon, it has a 2 - prefix.
I believe the answer is A.
Hope this helps! ^^
1s^2
2s^2
2p^6
3s^2
3p^6
4s^2
3d^10
4p^4
<span> 2 hydrogen atoms attached to an oxygen atom.</span>
