本题目来源于试卷: Classification of Matter A.1 Periodic Table Elements Classification,类别为 IB化学
[单选题]
What is the formula of the compound forme2bfzp47,vbdlxd4aa 6 d between lithium and i1a i n(tt ;fgk5z 98l,ien,mu5iux* +demm*gnitrogen?
A. $LiN_3$
B. $LiN_2$
C. $Li_2N_3$
D. $Li_3N$
参考答案: D
本题详细解析:
Explanation: Lithium is in group 1 and so forms $Li^+$ ions. The formula of the nitride ion is $N^{3−}$as nitrogen is in group 15. For the positive and negative charges to cancel out, three $Li^+$ ions are needed for each $N^{3−}$ ion.
|