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List 3 facts
2.The nucleus is surrounded by electrons.
3.Protons and electrons are oppositely charged. Neutrons have no charge
Remember charges and positions (that what she said)!
Comparing the charge of electrons, neutrons and protons.
Proton charge has a 1+ charge.
Neutron has a neutral charge.
Electrons have a -1 charge.
Isotopes
It tells us that a carbon atom has:Six protons (because its proton number, at the bottom, is 6)Six electrons (because the number of protons and electrons in an atom is the same)
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