Elements |
Proton
Number |
Number
of Electron |
Number
of Electron in shell |
Electron
Arrangement |
Number
of Valence Electron |
|||
1 |
2 |
3 |
4 |
|||||
|
1 |
1 |
1 |
|
1 |
|||
Helium |
2 |
2 |
2 |
|
2 |
|||
Lithium |
3 |
3 |
2 |
1 |
|
1 |
||
Beryllium |
4 |
4 |
2 |
2 |
|
2 |
||
Boron |
5 |
5 |
2 |
3 |
|
3 |
||
Carbon |
6 |
6 |
2 |
4 |
|
4 |
||
Nitrogen |
7 |
7 |
2 |
5 |
|
5 |
||
Oxygen |
8 |
8 |
2 |
6 |
|
6 |
||
Fluorine |
9 |
9 |
2 |
7 |
|
7 |
||
Neon |
10 |
10 |
2 |
8 |
|
8 |
||
Sodium |
11 |
11 |
2 |
8 |
1 |
|
1 |
|
Magnesium |
12 |
12 |
2 |
8 |
2 |
|
2 |
|
Aluminium |
13 |
13 |
2 |
8 |
3 |
|
3 |
|
Silicon |
14 |
14 |
2 |
8 |
4 |
|
4 |
|
Phosphorus |
15 |
15 |
2 |
8 |
5 |
|
5 |
|
Sulphur |
16 |
16 |
2 |
8 |
6 |
|
6 |
|
Chlorine |
17 |
17 |
2 |
8 |
7 |
|
7 |
|
Argon |
18 |
18 |
2 |
8 |
8 |
|
8 |
|
Potassium |
19 |
19 |
2 |
8 |
8 |
1 |
|
1 |
Calcium |
20 |
20 |
2 |
8 |
8 |
2 |
|
2 |
● Valance electrons are electrons in the outermost shell of an atom.
Periodic Table of The Elements
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人,要学会聆听,听智者之言可以启迪智慧,听批评之言可以反躬自省。
即使记忆总有一天会消逝,就让我们一起留下欢乐的一点一滴、美好的回忆~ :D