MCQ
The nitride ion in lithium nitride is composed of
- ✓$7$ protons $+ 10$ electrons
- B$10 $ protons $+ 10$ electrons
- C$7$ protons $+ 7$ protons
- D$10$ protons $+ 7 $ electrons
✓
Answer
Correct option: A.
$7$ protons $+ 10$ electrons
a
(a) In case of ${N^{3 - }}$, $p = 7$ and $e^- = 10$
(a) In case of ${N^{3 - }}$, $p = 7$ and $e^- = 10$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Find $pH$ of $5 \times 10^{-3}\, M$ $H_2CO_3$ solution having $10\%$ dissociation
→Which of the following is strongest acid ?
The vapour density of a mixture containing $NO_2$ and $N_2O_4$ is $27.6$ . The mole fraction of $N_2O_4$ in the mixture is
→Two gases $A$ and $B$ are taken in same volume containers under similar conditions of temperature and pressure. In container $A,$ there are $'2N\ '$ molecules of gas $A$. How many number molecules does container $B$ have?
→The electronic configuration of four elements are given in brackets$L\,\left( {1{s^2},\,\,2{s^2}2{p^1}} \right);\,\,M\,\left( {1{s^2},\,\,2{s^2}\,2{p^5}} \right)$
→$Q\,\left( {1{s^2},\,\,2{s^2}\,2{p^6},\,\,3{s^1}} \right);\,\,R\,\left( {1{s^2},\,\,2{s^2}\,2{p^2}} \right)$The element that would most readily form a diatomic molecule is
$20\, ml$ of $0.2\, M \,HCN$ mix with $10\, ml$ of $0.2\, M\, NaOH$, then calculate $pH$ of resulting mixture. $pKa$ value of $HCN$ is $5$
→Which of the following statements is not true for ethane
For an element $, A = 34$ and $N = 19,$ What is the atomic number of the element?
→Hess's law of constant heat summation in based on :
The $IUPAC$ name of the following compound is:
→