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Q1 of 40 Page 128

In an atom, electrons revolve around the nucleus in fixed orbits.

True

Yes, the electrons revolve around the nucleus in fixed orbits.

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The number of protons, neutrons and electrons present respectively in ⁸⁰₃₅Br

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The correct electronic configuration of potassium is

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Isotopes of an element have the different atomic numbers.

3

Electrons have negligible mass and charge.

Questions · 40

5. Atomic Structure

1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 1 1 1 1 1 1 2 3 4 5 1 2 3 4 5 1 2 3 1 2 3 1 2 3

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