The atom of an element X has 18 protons, 22 neutrons and 18 electrons. The atomic number of the element is _______.

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Solution

The correct option is A 18
The atomic number of an element is the number of protons found in the nucleus of an atom of that element. It is conventionally represented by the symbol Z. So, the atomic number of X is 18.

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The atom of an element X has 18 protons, 22 neutrons and 18 electrons. The atomic number of the element is _______.

The correct option is A 18The atomic number of an element is the number of protons found in the nucleus of an atom of that element. It is conventionally represented by the symbol Z. So, the atomic number of X is 18.

The correct option is A 18
The atomic number of an element is the number of protons found in the nucleus of an atom of that element. It is conventionally represented by the symbol Z. So, the atomic number of X is 18.