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Stack #54163
| Question | Answer |
|---|---|
| Atomic Mass | A very small unit of mass used for atoms and molecules |
| Atomic Nucleus | The core of an atom, consisting of 2 basic subatomic particles- protons and neutrons |
| Atomic Number | The number that designates an element, equal to protons |
| Atomic symbol | An abbreviation for an element derived from the first or second leters of its name |
| Electron | The negatively charged particles in an atom |
| Element | A fundamental material consisting of only one atom |
| Group | A vertical column in the periodic table |