Mathematics: Electrons and protons are particles in an aton with equal but opposite charges. Electrons have a negative charge and protos have a positive charge. What is the charge of an atom with 2 more electrons than protons?

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Electrons and protons are particles in an aton with

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21.01.2022

The total charge on atom is -2.

Step-by-step explanation:

We are given the following in the question:

Electrons have a negative charge.

Let this charge be represented by -1.

Protons have a positive charge. Let this charge be represented by +1.

An atom have 2 more electrons than protons.

Let be the number of protons.

Then, the number of electrons are (x+2)

Total charge on atom =

=Charge on atom = Charge of protons + Charge of electrons

$=(+1)(x) + (-1)(x+2)\\=x-x-2\\=-2$

Thus, the total charge on atom is -2.

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