Question

14.Which of the following statement is correct about the atom of an element?. Single choice.

(1 Point)

An atom can have only two tone and neutron but no electrons

An atom can have only electrons and neutrons but no protons

An atom can have only electrons and protons but no neutrons

An atom must always have a protons neutrons and electrons​

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

Explanation:

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