Multiple choice

The number of types of bonds between two carbon atoms in calcium carbide is 

  1. Two sigma, two pie

  2. One sigma,two pie

  3. One sigma,one sign

  4. Two sigma one pie
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Calcium carbide (CaC2) contains the carbide ion C2(2-). The bond between the two carbon atoms is a triple bond, consisting of one sigma bond and two pi bonds.

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