Draw the geometric atomic structure of ${}_{9}^{19}F$ , showing clearly number of neutrons, number of protons and number of electrons.

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Solution

The subscript denotes the atomic number. Thus fluorine is having atomic number 9.
Atomic number is the number of protons in an atom, hence number of protons=9.
In an electrically neutral atom, number of electrons and protons will be same. Hence number of electrons=9.
Superscript denotes mass number. Mass number is the sum of number of protons and neutrons.
Hence number of neutrons=mass number-number of protons=(19-9)=10.

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Draw the geometric atomic structure of F919 , showing clearly number of neutrons, number of protons and number of electrons.

Draw the geometric atomic structure of ${}_{9}^{19}F$ , showing clearly number of neutrons, number of protons and number of electrons.