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The element that isn't combined has the same electrons as protons, then it is 8 electrons.

The total of number of electrons in the element is 8

HOW TO CALCULATE NUMBER OF ELECTRONS:

  • The atom of an element is made up of three subatomic particles namely: neutron, proton and electron.

  • The proton is positively charged while the electron is negatively charged.

  • In a neutral atom, the number of protons equals the number of electrons, hence, the atom will have a net charge of zero (0).

  • In the case of this neutral atom with 8 protons, the number of electrons will also be 8.

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