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30 Cards in this Set
- Front
- Back
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Which block of the periodic table are the MOST reactive metals found?
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the s-block
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Which block are the Alkali Metals located in?
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the s-block
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Which elements are Alkali Metals?
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Lithium, Sodium, Potassium, Rubidium, Cesium, Francium*
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What are the properties of Alkali Metals?
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1. Shiny, solid, malleable, ductile, good conductors
2. Low density and low melting point 3. Soft 4. Oxidizes (tarnishes) easily 5. Reacts easily with water or air |
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Which group in the periodic table has both low density and low melting point?
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Alkali Metals (located in the s-block)
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How many valence electrons do Alkali Metals possess?
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One
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Do Alkali Metals have a high or low ionization energy?
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Low (easily lose only valence electron to form a 1 plus charge)
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Why are Alkali Metals the most reactive metals?
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They lose their only valence electron to form cations.
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What do all Alkaline Metals react with?
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Halogens
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Which reactive, s-block elements are most abundant?
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Sodium and Potassium
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How are s-block elements found?
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As compounds in nature (seawater, mineral deposits)
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Which group is group 2A in the s-block?
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Alkaline Earth Metals
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Which elements make up the Alkaline Earth Metals?
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Be, Mg, Ca, Sr, Ba, Ra*
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What are the properties of the Alkaline Earth Metals?
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1. Shiny, solid, malleable, ductile, good conductors.
2. Higher densities and melting points than alkaline metals 3. react w/ water 4. Oxidizes easily 5. Not as reactive as alkali metals 6. Form 2 plus cations |
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What are two differences between Alkali Metals and Alkaline Earth Metals?
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1. Alkaline Earth Metals have higher densities and melting points than Alkali Metals
2. Not as reactive as Alkali Metals |
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What is an alloy?
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1.When one metal is added to another metal.
2. A homogenous mixture of metals |
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Which block are transition metals found in?
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the d-block
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Where do transition metals play an important role?
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In living organisms and strong, structurally useful materials.
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Which d-block elements are most abundant?
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Fe and Ti
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Do the properties of transition metals vary from familiy to family?
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Yes
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What are the characteristic densities and melting points of d-block (transition metals)
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high density, high melting point.
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Which block do coinage metals belong to?
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the d-block
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Which elements are coinage metals?
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Cu, Au, Ag
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Which block do the inner transition metals belong to?
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the f-block
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How do Lanthanides differ from Alkaline Earth Metals?
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Less reactive than Alkaline Earth Metals.
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What are the properties of Lanthanides?
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1. Soft, silvery
2. Oxidizes readily in air 3. Not good structural material 4. Used in production of TV screens |
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Which f-block group is radioactive?
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the ACTINIDES
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Which elements in the Actinide group occur in nature?
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Thorium and Uranium
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What is a property of the actinide group?
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All elements after Uranium are artificial
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Which f-block element is used in nuclear power plants?
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Uranium
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