Physics Unit28: Quantum Mechanics of Atoms (id: 11b6d5d62)

[单选题]
A neutral atom has an electrkjwp;a : l y1p:joe+ ajh(rv7;on configuraaooba 7kj0/(o lzn po2*i7 7x,j.dgywtion of $1s^22s^22p^63s^23p^2$. What is its atomic number?

A. 5
B. 11
C. 14
D. 20


参考答案:  C


本题详细解析: 暂无