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Science
Term | Definition |
---|---|
proton | A particle in the space inside the nucleus that carries one unit of positive electric charge. |
neutron | |
electron | A particle in the space outside the nucleus of an atom that carries one unit of negative charge. |
atomic number | The number of protons in a single atom of protons in a single atom of an element. |
molecule | A particle that contains two or more atoms joined together. |
metals | |
nonmetal | |
noble gases | |
metalloids | |
periodic table |