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| Question | Answer |
|---|---|
| atom | the smallest part of an element. |
| protons | positively charged particle in the nucleus of an atom |
| family | love, or group of people. |
| mass number | the sum of the number of protons and neutrons in an atom |
| metals | shiny, malleable,ductile element that conducts electricity |
| neutrons | neutral particle in the nucleus of an atom |
| nucleus | positively charged centre of an atom |