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Periodic table
| Question | Answer |
|---|---|
| valence shell | Outermost shell of an atom |
| atomic mass | Number of protons plus the number of neutrons |
| conductivity | Ability for heat or electricity to flow through it |
| neutron | Part of an atom with a neutral charge |
| electron | Part of an atom with a negative charge |
| malleable | Able to be flattened out |
| ductile | Able to be stretched without breaking; not brittle |
| proton | Part of an atom with a positive charge |
| luster | Ability to reflect light |
| reactive | Causes a chemical reaction and releases energy |
| family | Also called group; columns on the periodic table (go up and down); Elements in a group have the same number of electrons in the outer level |
| period | Rows on the periodic table (side to side); Each row represents the number of energy levels |
| compound | combination of two or more elements that are chemically combined |
| anything on the periodic table is___________ | an element |
| groups | go up and down (remember- the word UP is in groups); show the number of valance electrons; 18 total |
| families | another name for groups |
| periods | go side to side; show the number of electron shells (or energy levels); 7 total |
| elements that are most similar are in the same_______ | group |
| mixture | physically combined; can be separated |
Created by:
kayleek.
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