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Definition
| Alkali metals, Alkaline Earth metals, Transition metals, Boron Family, Carbon Family, Pnictogens, Chalcogens, Halogens, Noble Gases |
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Term
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Definition
| The 18 vertical columns of the periodic table. Determines the number of electrons on outermost energy level. |
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Definition
| The 7 horizontal rows of the periodic table. Determines the number of principle energy levels. |
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Term
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Definition
| A substance with high electrical conductivity, luster, and malleability, which readily loses electrons to form cations. Alkali metals, Alkaline Earth metals, Transition metals. |
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Term
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Definition
| An element that has both metallic and non metallic properties. |
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Term
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Definition
| An element which is dull-colored, brittle and non conductive. |
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Term
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Definition
An element with its outer electron shell
completely filled. |
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Term
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Definition
| Many of the physical and chemical properties of the elements tend to recur in a systematic manner with increasing atomic number. Progressing from the lightest to the heaviest atoms, certain properties of the elements approximate those of precursors at regular intervals of 2, 8, 18, and 32. |
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Term
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Definition
| The size of the radius (Decreases going across period, increases going down group) |
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Term
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Definition
| Amount of mass contained in a given unit volume. (Increases and then decreases going across period, increases going down group) |
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Term
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Definition
| Ability to attract an electron; the pull nucleus has on valence electrons. (Increases going across period, decreases going down group) |
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Term
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Definition
| The size of the radius when the atom forms an ion (Increases going across period, decreases going down group) |
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Term
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Definition
| Amount of energy needed to remove an electron. (Increases going across period, decreases going down group) |
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Term
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Definition
| The tendency for an element to lose electrons and become cations. (Decreases going across period, increases going down group) |
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Term
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Definition
| Temperature solid becomes a liquid.(Increases going across period for metals/metalloids, increases going down group) |
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