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]
Which chemical equation represents the de*f z1fqgp z+7sfinition of first ionization energ) zp0kgo zvi;d j88w/yy?
A. $X_{(s)}$+$e^-$→$X^-_{(s)}$
B. $X_{(s)}$→$X^-_{(s)}$+$e^-$
C. $X_{(g)}$→$X^-_{(g)}$+$e^-$
D. $X_{(g)}$+$e^-$→$X^-_{(g)}$
参考答案: C
本题详细解析:
Explanation: First ionization energy is defined as the energy required to remove one mole of electrons from one mole gaseous atoms.
| 
