MCQ
The nitride ion in lithium nitride is composed of
- A$7P + 7e$
- B$10P + 7e$
- ✓$7P + 10e$
- D$10P + 10e$
So, the number of protons is $7$ and number of electrons will be $7+3=10$.
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$(I)$ When $X$ dimerises bond angle decreases
$(II)$ When $X$ dimerises bond angle increases
$(III)$ In $X-Y$ molecule $C-C$ bond length is less than that in $Y-Y$ molecule
$(IV)$ Bond angle in $X$ is greater than that in $Y$
$(A)\, n = 5, m_l= + 1$
$(B)\, n =2, l =1, m_l= -1, m_s = -1/2$
The maximum number of electron$(s)$ in an atom that can have the quantum numbers as given in $(A)$ and $(B)$ are respectively