Question

IDENTIFY ME
1. I have a Mass No 40
2. I Have an Atomic No 20

Name The Both elements
(They Both are Diffrent)

In Short: Which are the elements with Mass No 40?
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Answer 1

Answer:

Calcium and argon are the correct answers

Answer 2

The element is Calcium. [Atomic no:20, Atomic mass: 40]

The mass number of Argon is also 40.