Chemistry, asked by sabitresa, 11 months ago

An element has mass number 31 and atomic number 15. The number of electrons, protons, and neutrons in it are respectively,

Answers

Answered by ronaldoChristiano

Isotopes are named for their mass numbers. So, this element has 15 protons (atomic number), 15 electrons, and 16 neutrons (mass number minus atomic number). This isotope is phosphorus-31, which has atomic number 15.

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Answered by jiwachhkumar

Explanation:

we know that mass number=no of neutron +no of proton

31=no of neutron+15

no of neutron=16

also no of proton=no of electron=15.

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