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44 Cards in this Set
- Front
- Back
A mixture of two or more elements, at least one of which is a metal, are mixed together
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alloy
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can be drawn into wires
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ductile
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the attraction of valence electrons for positive metal ions
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metallic bonds
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can be hammered or forced into shapes
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malleable
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an alloy whose component atoms are different sizes
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interstitial alloy
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The names of most common polyatomic ions end in either
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-ite
or -ate |
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ions formed by single atoms
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mono-atomic ions
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ions formed from groups of atoms
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polyatomic ions
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positively charged ions
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cations
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negatively charged ions
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anions
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a traditional way of naming transition metal cations
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classical naming system
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ionic compounds composed of two elements
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binary compounds
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the electrostatic forces that hold ions together in ionic compounds
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ionic bonds
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lowest whole number ratio of ions in an ionic compound
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formula unit
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shows the kinds and numbers of atoms in the smallest representative unit of a substance
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chemical formula
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the number of ions of the opposite charge that surround the ion in a crystal
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coordination number
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the systemic name for baking soda is sodium bicarbonate.
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Sometimes true
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in writing a formula for an ionic compound the net ionic charge of the formula must be zero
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always true
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anions that contain oxygen end in ite or ate
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sometimes true
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the cation name is placed first when naming ionic compounds
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always true
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FeBr3
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Iron (3) Bromide
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KOH
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Potassium hydroxide
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Na2Cr2O7
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Sodium Chromite
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sodium chlorate
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NaClO2
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lead (2) phosphate
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Pb3(PO4)2
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magnesium hydrogen carbonate
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Mg(HCO3)2
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the names of polyatomic ions end in ITE or ATE
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sometimes true
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in polyatomic ions for which there is an ITE/ATE pair, the ITE ending will always indicate one less oxygen then the ATE ending
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always true
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polyatomic ions are anions
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sometimes true
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The charge on the group A metal ions is found by subtracting the group number from 8
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never true
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the group 6A ions have a charge of 2-
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always true
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what is the charge on a typical ion for these groups?
1A, 6A, 7A, 2A |
1+, 2-, 1-, 2+; respectively
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HCO3-
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hydrogen carbonate
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NH4
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ammonium
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MnO4
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permangonate
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OH-
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hydroxide
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Ca2+
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loss of 2
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S2-
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gain of 2
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I-
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gain of 1
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Mn3+
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loss of 3
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in a body centered cubic structure, each atom has 12 neighbors
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never true
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metallic objects are formed from pure metals
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sometimes true
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metals that are good conductors are said to be ductile
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always true
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drifting valence electrons insulate cations from one another and contribute to the malleability of a metal
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always true
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