Calculate the number of electrons, protons and neutrons in 40Ar18and 49K19.

Calculate the number of electrons, protons and neutrons in 40Ar18and 49K19.

Ans: – In 40Ar19 the number of electron and proton is 18 and the number of neutrons is (40-18=22) 22.

In 49K19 the number of electron and proton is 19 and the number of neutronsis(49 – 19=30) 30.

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