An atom X has 4 protons and 5 neutrons with electronic configuration 2, 2. What is the atomic number?

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Solution

Atomic Number: It is defined as the number of protons present in the nucleus of an atom of the element.
An atom of element X has 4 protons, therefore the atomic number of the element will be 4 because atomic number = number of protons.
The name of the element is Beryllium (Be).

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An atom X has 4 protons and 5 neutrons with electronic configuration 2, 2. What is the atomic number?

Atomic Number: It is defined as the number of protons present in the nucleus of an atom of the element.An atom of element X has 4 protons, therefore the atomic number of the element will be 4 because atomic number = number of protons. The name of the element is Beryllium (Be).

Atomic Number: It is defined as the number of protons present in the nucleus of an atom of the element.
An atom of element X has 4 protons, therefore the atomic number of the element will be 4 because atomic number = number of protons.
The name of the element is Beryllium (Be).