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Vocab
Question | Answer |
---|---|
atomic number | h |
electron | h |
electron cloud | h |
ion | h |
isotope | h |
neutron | h |
nucleus | h |
proton | h |
atom | h |
compound | h |
element | h |
heterogeneous | h |
homogeneous | h |
matter | h |
mixture | h |
molecule | h |
substance | h |