A:Na+ 1s22s22p63s2
B:F 1s22s22p5
C:O2﹣ 1s22s22p6
D:Ar 1s22s22p63s23p6
辨字组词。
伯____ 洽____ 糊____ 燥____
泊____ 恰____ 湖____ 操____
We at the party last weekend.