Give an example of an element having equal and even numbers of protons, electrons and neutrons. Draw the structure of the atom.

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Solution

Helium( ${}_{2}^{4}{He}$ ) is an atom with an equal and even number of protons, electrons and neutrons.
It is a noble gas with a stable electronic configuration.
number of protons=atomic number=2
number of electrons=2
number of neutrons=(mass number-atomic number)=(4-2)=2.

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Give an example of an element having equal and even numbers of protons, electrons and neutrons. Draw the structure of the atom.

Helium(He24) is an atom with an equal and even number of protons, electrons and neutrons.It is a noble gas with a stable electronic configuration.number of protons=atomic number=2number of electrons=2number of neutrons=(mass number-atomic number)=(4-2)=2.

Helium( ${}_{2}^{4}{He}$ ) is an atom with an equal and even number of protons, electrons and neutrons.
It is a noble gas with a stable electronic configuration.
number of protons=atomic number=2
number of electrons=2
number of neutrons=(mass number-atomic number)=(4-2)=2.