Question

Atomic mass of first 30 elements?
A)

Answer 1

Answer:

Given below is a table that lists the first 30 elements based on atomic number and their corresponding atomic mass.

...

Atomic Mass of First 30 Elements.

ATOMIC NUMBER ELEMENT ATOMIC MASS

2 Helium 4.0026

3 Lithium 6.94

4 Beryllium 9.0122

5 Boron 10.81

Answer 2

Explanation:

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