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16 Cards in this Set
- Front
- Back
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what are the 7 familes/groups?
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Alkali, Alkaline, Transition metals, metalloids, chalcogens, halogens, noble gases
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alkali
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reactive with water- preparation of soaps
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alkaline
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earth metals- not as reactive with water as alkali
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transition metals
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strong and flexible- great conductors of electricity and heat
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metalloids
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contain some metal properties
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chalcogens
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found in ores
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halogen
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salt forming
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noble gases
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don't combine with other elements
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what is an atom composed of
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3 sub-atomic particles
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isotope
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varieties of an element with a different number of neutrons
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atomic radius
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how big the atom is
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electronegativity
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the ability of an atom to accept electrons
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ionization energy
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energy required to give up electrons
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ion
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an atom that has a net electrical charge
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what is the positive ion called
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cation
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what was the negative ion called
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anion
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