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The Atom
| Term | Definition |
|---|---|
| Atom | The basic particle fro which all elements are made; the smallest particle of an element that has the basic properties of that element |
| Electron | A tiny negatively charged particle that moves around the outside of the nucleus of an atom |
| Nucleus | The central core of an atom which contains protons and nuetrons |
| Energy Level | A region of an atom where electrons are likely to be found. |
| Neutron | A small particle in the atom, with no electrical charge. |
| Atomic Number | The number of protons in the nucleus of an atom |
| Isotope | An atom with the same number of protons and a different number of neutrons from atoms of other atoms of the same element |
| Mass Number | The sum of protons and neutrons in the nucleus of the atom. |
| Atomic mass | The average mass of all the isotopes in an element |
| Periodic Table | An arrangement of the elements showing the repeating of their properties. |
| Chemical Symbol | A one or two lettered representation of an element |
| Period | A horizontal row of elements in the periodic table |
| Group | Elements in the same vertical column of the periodic table; also called a family. |
| Proton | Small positively charged particles that are found in the nucleus of an atom |
Created by:
nicholasmcgowan1
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