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snow_lady [41]
3 years ago
9

The nucleus of an atom contains 28 protons and has a mass of 60. How many neutrons does this atom have?

Biology
1 answer:
LenKa [72]3 years ago
3 0

Answer:

Explanation:

Number of neutrons = mass number - proton number = 60- 28 = 32

electrons = proton number for a neutral atom = 28

the identity of the atom is written as

60

. X

28

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