2-1 Vocab Word Scramble
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Term | Definition |
nucleus | is the region at the center of the atom that contains most of the mass of the atom |
proton | positively charged particle in the nucleus of an atom |
neutron | an uncharged particle in the nucleus of an atom |
electron | negatively charged particle that occupies the space in an atom outside the nucleus |
electron cloud | the region surrounding an atom's nucleus where one or more electrons are most likely to be found |
atomic number | the number of protons in the nucleus of an atom of an element |
ion | an atom that has charged because it has gained or lost electrons |
isotope | is one o two or more atoms of an element having the same number of protons but a different number of neutrons |
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