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VS Periodic Table
Terms associated with the Periodic Table of Elements
| Question | Answer |
|---|---|
| smallest unit of an element that still has the properties of that element | atom |
| matter that cannot be separated physically or chemically | elements |
| 3 subatomic particles that make up an atom | protons, neutrons, electrons |
| subatomic particles that are found in the nucleus of an atom | protons and neutrons |
| charge of a proton | positive 1 |
| charge of a neutron | neutral / zero |
| charge of an electron | negative 1 |
| number of electrons that will fit in each of the first three shells of an atom | 2, 8, and 8 |
| tells you how many protons are in the atom | Atomic Number |
| an electron in the outer shell of the atom | Valence electron |
| tells you how many valence electrons are in the atom | Group Number |
| the least reactive Group on the Periodic Table | Group 18 |
| mass of a proton | 1 |
| mass of an electron | zero |
| mass of a neutron | 1 |
| mass of an atom | protons + neutrons |
| an atom that has lost an electron | positive ion |
| an atom that has gained an electron | negative ion |
| an atom that has lost or gained a neutron | isotope |
Created by:
vsommerfeld
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