Science, asked by mimi4587, 10 months ago

what is the lightest element in the earth and say its atomic and mass number

Answers

Answered by sri25laasya

2

Answer:

Explanation:

Hydrogen

Mass 1

Atomic no 1

Answered by akashmalviya90

2

Answer:

It's Hydrogen

Explanation:

And its molecular weight is 1

So it is more lighter then others

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