PLEASE MARK BRAINLIEST!
An atom has/contains three main [fundamental] particles. These are:
- proton
- neutron
- electron
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- The charge of a proton is always positive.
- The charge of an electron is always negative.
- A neutron does not have any charge, so it is considered a "neutral" particle.
- The charge of an atom is determined by the number of protons, neutrons, and electrons.
- If there are equal amounts of protons, neutrons, and electrons, then the atom will have no charge - it will be a neutral atom.
- If there are more protons than neutrons and electrons, the atom will have a positive charge.
- If there are more electrons than protons and neutrons, the atom will have a negative charge.
In the modern atomic model the number of electrons in a neutral atom is the same as the number of protons.
I hope this helps!
