Physics Unit28: Quantum Mechanics of Atoms (id: bca06ec2f)

[单选题]
A neutral atom has efgauo px z22cq+t 6wow0a(0 *slz;ri8g yv,4 obuhg; *zlo:7s tectron configuration $1s^22s^22p^63s^23p^2$. What element is this?

A. carbon
B. nitrogen
C. silicon
D. germanium


参考答案:  C


本题详细解析: 暂无