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Nimfa-mama [501]
3 years ago
10

What is the molecular formula of first 20 elements​

Chemistry
1 answer:
attashe74 [19]3 years ago
3 0

Answer:

H

He

Li

Be

B

C

N

O

F

Ne

Na

Mg

Al

Si

P

S

Cl

Ar

K

Ca

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