If a molecule $X_2$ has a triple bond,then $X$ will have the electronic configuration
- A$1s^2, 2s^2, 2p^5$
- B$1s^2, 2s^2, 2p^3$
- C$1s^2, 2s^1$
- D$1s^2, 2s^2, 2p^1$
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