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13 Cards in this Set
- Front
- Back
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Alkali metal |
Highly reactive with water and moisture soft enough to cut |
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Alkali earth metals |
Contain a pair of electrons in their outermost shell |
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Transition metals |
Good conductance of electricity higher luster groups 3-12 |
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Halogens |
Most reactive with examples like salt group 17 |
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Noble gases |
All gases with a unreactive full valence shell group 18 |
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Lanthanides |
All have one stable isotope and half physical and chemical similarities |
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Actinides |
Reactive and have 14 electrons the first four are natural and the rest of man-made |
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Non-metal |
Element or substance that is not a metal |
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Metal |
Solid material that is ductile malleable and fusible also a good conductor of electricity |
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Metalloids |
Can be both a solid nonmetal and a metal is a semiconductor |
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Electrongravity |
Ability of an atom in an electrical compound |
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Ionization energy |
Energy needed to remove electron from a neutral atom of an element |
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Atomic radius |
Atomic size of element |
