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sesenic [268]
2 years ago
8

The number of protons in an atom is defined by it's

Chemistry
1 answer:
swat322 years ago
6 0

The atomic number  defines the number of protons in an atom.

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One radioactive isotope of calcium has an atomic mass of 47,how many neutrons are in the calcium -47 nucleus
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Answer: 27 neutrons

Explanation:

Recall that the number of protons in the nucleus of an atom = Atomic number.

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47 = 20 + neutrons

Neutrons = 47 - 20 = 27

Thus, there are 27 neutrons in radioactive calcium nucleus.

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