(1)O元素为8号元素,原子核外有8个电子,所以核外电子排布式为:1s22s22p4,故答案为:1s22s22p4;
(2)Ne元素为10号元素,原子核外有10个电子,所以核外电子排布式为:1s22s22p6,故答案为:1s22s22p6;
(3)S元素为16号元素,原子核外有16个电子,所以核外电子排布式为:1s22s22p63s23p4,故答案为:1s22s22p63s23p4;
(4)Cr元素为24号元素,原子核外有24个电子,所以核外电子排布式为:1s22s22p63s23p63d54s1,故答案为:1s22s22p63s23p63d54s1;
(5)Cu元素为29号元素,原子核外有29个电子,所以核外电子排布式为:1s22s22p63s23p63d104s1,故答案为:1s22s22p63s23p63d104s1;
(6)Ge元素为32号元素,原子核外有35个电子,所以核外电子排布式为:1s22s22p63s23p63d104s24p2,故答案为:1s22s22p63s23p63d104s24p2.
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