Question

The number of electrons and neutrons in an atom are 13 and 14,respectively. Find out the mass number,atomic number,valency and symbol of the element​

Answer 1

Answer:

Atomic number=No. of protons=No. of electrons in ground state(unchanged atom)

Atomic number=13=No. of protons

Atomic mass=no. of protons+no. of neutrons=13+14=27

For isotope no. of proton=13(same atomic number but different mass number are isotopes)

no. of electrons=13

no. of neutrons=14+2=16

Answer 2

Answer:

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