Jilly5053
Jilly5053
22.02.2021 • 
Chemistry

Elemento Z
A Protones Neutrones Electrones
СІ
17 35
B
5
Ne
20
10
54
42
Mo
Bi
209
126
Cs
55/ 133
P
16
15
Co
27
31
Mg
24
12​

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