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Chem vocab words
vocab
Question | Answer |
---|---|
atom | the smallest unit of an element to retain its chemical and physical properties |
proton | positively charged sub-atomic particle sym - p+ charge - + location - nucleus mass - 1 |
neutron | uncharged (neutral) sub atomic particle sym - n charge - neutral location - nucleus mass - 1 |
electron | negatively charged sub atomic particle sym - e- charge - negative - location - nucleus mass - 1/1780 |
John Dalton | ~ proposed that all atoms of the same element are identical |