Share 10.1 electricity session 3
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Protons have a
positive charge
Electrons have a
negative charge
Neutrons have a
no charge- neutral
The atom has 3 particles called..........
electrons, protons and neutrons
When an atom has equal numbers of protons and electrons, the charges
cancel each other
Atoms sometimes gain or lose
electrons
If an atom gains electrons, it will have a
negative charge
. If a neutral atom loses an electron, it will have .............
a positive charge
Particles with the same charge................
repel
Particles with opposite charges......................
attract one another.
....................is the buildup of electric charges on objects.
Static electricity
