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 ch1m3lqu)9 f7/ wy,zkwi1rbn definition 6:i*;jsu -eii(fsdo9l wti6b of first ionization energy?
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.
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