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castortr0y [4]
2 years ago
15

Someone help with this pls thank you .

Biology
1 answer:
maxonik [38]2 years ago
6 0

Answer:

3a) The number of neutrons

b) protons and neutrons

Explanation:

Isotopes of the same element have the same number of protons but different number of neutrons

alpha particles consist of two protons and two neutrons

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