A.1s22s22p63s23p63d10 B.1s22s22p63s23p63d24s24p64d10 C.1s22s22p63s23p64s24p65s2 D.1s22s22p63s23p63d84s2 E.1s22s22p63s23p63d14s24p64d1
A.90° B.105° C.109° D.120° E.180°
A.較大的硬度 B.較高的熔點(diǎn) C.較小的離子半徑 D.較低的電離能 E.較高的沸點(diǎn)