Easy Chemistry Class 11 Level 1

Mass number is the sum of what?

Mass number किसका योग होता है?

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Correct Answer

A. Protons और neutrons / Protons and neutrons

Explanation

Step 1: Mass number comes from particles in the nucleus. Step 2: It is the sum of protons and neutrons. Step 3: The mass of electrons is considered very small.

Step 1: Mass number nucleus के particles से बनता है। Step 2: इसमें protons और neutrons का योग होता है। Step 3: Electrons का mass बहुत कम माना जाता है।

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