原子核外電子的排布規律是什么?
原子核外電子的排布規律
核外電子排布滿足能量最低原理:核外電子總是盡先排布在能量最低的電子層里,然后再由里往外排布在能量逐步升高的電子層里,即按照
順序排列。各電子層最多容納電子數為2n2個,最外層電子數不超過8個,次外層不超過18個。
1-36號元素電子排布式及簡化形式?
①H氫:1s1②He氦:1s2簡化[He]③Li鋰:1s2 2s1簡化[He]2s1④Be鈹:1s2 2s2簡化[He]2s2
⑤B硼:1s2 2s2 2p1簡化[He]2s2 2p1⑥C碳:1s2 2s2 2p2簡化[He]2s2 2p2⑦N氮:1s2 2s2 2p3簡化[He]2s2 2p3⑧O氧:1s2 2s2 2p4簡化[He]2s2 2p4⑨F氟:1s2 2s2 2p5簡化[He]2s2 2p5⑩Ne氖:1s2 2s2 2p6簡化[He]2s2 2p6
(11)Na鈉:1s2 2s2 2p6 3s1簡化[Ne]3s1;
(12)Mg鎂:1s2 2s2 2p6 3s2簡化[Ne]3s2;
(13)Al鋁1s2 2s2 2p6 3s2 3p1簡化[Ne]3s23p1;
(14)Si硅:1s2 2s22p6 3s23p2簡化[Ne]3s23p2;
(15)P磷:1s2 2s22p6 3s23p3簡化[Ne]3s23p3;
(16)S硫:1s2 2s22p6 3s23p4簡化[Ne]3s23p4;
(17)Cl氯:1s2 2s22p6 3s23p5簡化[Ne]3s23p5;
(18)Ar氬:1s2 2s22p6 3s23p6簡化[Ne]3s23p6;
(19)K鉀:1s2 2s22p6 3s23p6 4s1簡化[Ar]4s1;
(20)Ca鈣:1s22s22p63s23p64s2簡化[Ar]4s2;
(21)Sc鈧1s22s22p63s23p63d14s2簡化[Ar]3d14s2;
(22)Ti鈦1s22s22p63s23p63d24s2簡化[Ar]3d24s2;
(23)V釩1s22s22p63s23p63d34s2簡化[Ar]3d34s2;
(24)Cr鉻1s22s22p63s23p63d54s1簡化[Ar]3d54s1;
(25)Mn錳1s22s22p63s23p63d54s2簡化[Ar]3d54s2
(26)Fe鐵1s22s22p63s23p63d64s2簡化[Ar]3d64s2
(27)Co鈷1s22s22p63s23p63d74s2簡化[Ar]3d74s2
(28)Ni鎳1s22s22p63s23p63d84s2簡化[Ar]3d84s2
(29)Cu銅1s22s22p63s23p63d104s1簡[Ar]3d104s1;
(30)Zn鋅1s22s22p63s23p63d104s2簡[Ar]3d104s2;
(31)Ga鎵1s2 2s2 2p6 3s2 3p63d10 4s24p1簡化[Ar]4s24p1;
(32)Ge鍺:1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p2
簡化[Ar]4s24p2;
(33)As砷:1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
簡化[Ar]4s24p3;
(34))Se硒:1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p4
簡化[Ar]4s24p4;
(35))Br溴:1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5簡化為[Ar]4s24p5;
(36)Kr氪1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6簡化為[Ar]4s24p6;
高中選修三里面原子核外電子排布里面nsnp的n是什么
n就是主量子數,也就是電子所在的層數。
鋅原子的核外電子排布,第一,二,三,四層各有幾個?然后鋅原子的成分
忘了
核外電子排布達到穩定結構的一定要是原子嗎
不一定的