Question

8.The smaller particles found in an atom are called

_____________.

9.The isotopes of Hydrogen are _____, _______ and

______.

10.If we know the _______ of an atom, we know the

number of electrons or protons in it.​

Answer 1

Answer:

Sub tomic particle

Explanation:

Answer 2

Answer:

1. electron

2. protium ,dueterium,tritium

3.mass number

Explanation:

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