Chemistry, asked by SRIRAM5567, 6 months ago

atomic masses of first 30 elements rounded off

Answers

Answered by makvanesingh

0

Answer:

Atomic Mass of First 30 Elements

2 Helium 4.0026

3 Lithium 6.94

4 Beryllium 9.0122

5 Boron 10.81

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