1.

An atom has a proton number of 19 and a nucleon number of 39. Calculate the number of protons and neutrons in the atom.​

Answer»

Answer:

Newtrons=39-19=20

so neutron NUMBER is 20

nucleons - is PROTON or neutron

REASON: nucleons CONTAIN both protons and neutrons as protons number is given ( 19 ) so neutron is 20.



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