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Electricity cards
Term | Definition |
---|---|
Electric charge | A fundamental property of matter that can be positive or negative. |
Elementary charge | The smallest unit of electric charge that is possible in ordinary matter; represented by the lowercase letter e. |
Electron | A particle with a negative electric charge found inside the atom but outside the nucleus. |
Proton | A particle found in the nucleus with a positive charge exactly equal and opposite to the electron. |
Neutron | A particle found in the nucleus with mass similar to the proton but with zero electric charge. |
Atomic number | The number of protons in an atom. |
Mass number | Number of protons in an atom, plus the number of neutrons. |
Icetope | Atoms of the same element that have different numbers of neutrons. |