Draw the geometric atomic structure of ${}_{12}^{24}{Mg}$ , showing clearly number of neutrons, number of protons and number of electrons.

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Solution

The subscript denotes the atomic number .Thus magnesium is having atomic number 12.
Atomic number is the number of protons in an atom, hence number of protons=12.
In an electrically neutral atom, number of electrons and protons will be same. Hence number of electrons=12.
Superscript denotes mass number. Mass number is the sum of number of protons and neutrons.
Hence number of neutrons=mass number-number of protons=(24-12)=12.

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Draw the geometric atomic structure of Mg1224 , showing clearly number of neutrons, number of protons and number of electrons.

Draw the geometric atomic structure of ${}_{12}^{24}{Mg}$ , showing clearly number of neutrons, number of protons and number of electrons.