ramiyalawson018
ramiyalawson018 ramiyalawson018
  • 19-05-2021
  • Physics
contestada

Calculate the mass number of an atom with 8 protons, 12 neutrons and 10 electrons

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brownalyssa03
brownalyssa03 brownalyssa03
  • 28-06-2021

Answer: 20

Explanation: Mass number is the number of neutrons plus the number of protons. 8 + 12 gives 20.

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MisterBrainly
MisterBrainly MisterBrainly
  • 02-08-2022

Mass number

  • No of protons+No of neutrons
  • 12+8
  • 20

Mass number is 20

Answer Link

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