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| close relationships between elements in neighboring groups |
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an element or inorganic compound found in nature as solid crystals |
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| a material from which a mineral can be removed |
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| forms of an element in the same physical state that have different structures and properties |
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| f block elements from period 6 |
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| f block elements from period 7 |
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| the strong attraction of a substance to a magnetic field |
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| branch of applied science that studies and designs methods for extracting metals and their compounds from ores |
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with a single electron, can behave as a metal or a nonmetal |
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| the most abundant alkali metals; important for biological functions |
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| essential for healthy teeth and bones |
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| essential for metabolism, muscle function, and photosynthesis |
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| most abundant metal in Earth’s crust |
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| forms millions of organic compounds |
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| most abundant elements in Earth’s crust |
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| now dangerous; formerly used in pipes, paint, and gasoline |
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found in ammonia and nitric acid; cleaning products, fertilizer, explosives, and dyes |
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| in fertilizers and laundry detergents, harmful to the environment |
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| reacts with water to make acid rain |
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| ions are permanently aligned in the direction of a magnetic field |
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