Select the correct answer.
an ion has a net charge of 3+. if this ion has 8 protons, how many electrons does it have?

Ion formed from the atom contains 8 positive protons and 5 negative electrons

Explanation:

Atomic number = number of electrons = number of protons

So the atom contains 8 protons and 8 electrons

Protons are positively charged and electrons are negatively charged.

An ion with a positive charge (cation) is formed by the loss of negative electrons

An ion with a negative charge (anion) is formed by the gain of negative electrons.

The question says ion has a net charge of 3+ so it means the atom has lost 3 electrons from it.

So ion formed from the atom contains 8 positive protons and 5 negative electrons (Answer)

To find the number of neutrons we make use of the formula  

Please Note: Mass number - atomic number = number of neutrons

8 carbon atoms forming single bonds with 18 hydrogen atoms; a triple bond exists between the third and fourth carbon atom from the right

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