Introductory Chemistry Test Questions – Flashcards

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Lithium
answer
Li+
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Beryllium
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Be2+
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Nitrogen
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N3-
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Oxygen
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O2-
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Hydrogen
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H-
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Magnesium
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Mg2+
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Sodium
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Na+
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Aluminum
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Al3+
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Silicon
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Si2-
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Fluorine
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F-
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Chlorine
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Cl-
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Potassium
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K+
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Calcium
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Ca2+
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Gallium
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Ga3+
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Selenium
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Se2-
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Bromine
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Br-
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Rubidium
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Rb+
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Strontium
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Sr2+
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Indium
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In3+
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Tin
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Sn2+
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Tellurium
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Te2-
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Iodine
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I-
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Cesium
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Cs+
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Barium
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Ba2+
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Thallium
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Tl+, Tl3+
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Bismuth
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Bi3+
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Lead
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Pb2+
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Mercury, Mercurous
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Hg22+
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Ammonium
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NH4+
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Cyanide
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CN-
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Carbonate
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CO32-
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Hydrogen Carbonate
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HCO3-
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Acetate
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C2H3O2-
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Oxalate
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C2O42-
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Hypochlorite
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ClO-
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Chlorite
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ClO2-
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Chlorate
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ClO3-
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Perchlorate
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ClO4-
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Chromate
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CrO42-
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Dichromate
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Cr2O72-
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Permanganate
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MnO4-
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Nitrite
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NO2-
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Nitrate
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NO3-
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Hydroxide
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OH-
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Peroxide
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O22-
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Phosphate
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PO43-
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Monohydrogen phosphate
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HPO42-
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Dihydrogen phosphate
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H2PO4-
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Sulfite
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SO32-
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Sulfate
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SO42-
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Hydrogen Sulfite 

(or bisulfite)

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HSO3-
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Hydrogen sulfate

(or bisulfate)

answer
HSO4-
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Thiosulfate
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S2O32-
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Solid
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The form of matter which is rigid but not compressible
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Liquid
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The form of matter which is neither rigid nor compressible
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Gas
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The form of matter which is compressible but not rigid
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Prefix mega-
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106
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Prefix kilo-
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103
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Prefix deci-
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10-1
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Prefix centi-
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10-2
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Prefix mili-
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10-3
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Prefix micro-
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10-6
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Prefix nano-
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10-9
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Prefix pico-
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10-12
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Dalton's first postulate
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All elements are made up of indivisible particles called atoms
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Semimetals
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Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, Astatine
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Group
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Periodic Table column
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Period
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Periodic Table row
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Dalton's second postulate
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All atoms of one element are alike, but different from the atoms of all other elements
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Dalton's third postulate
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Atoms are neither created nor destroyed during chemical reactions, they are simply rearranged.
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Dalton's fourth postulate
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Compounds are made of atoms of different elements in specific ratios
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Naming oxoacids
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Change anion suffix (-ite to -ous or -ate to -ic) and add "acid"
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Naming binary acids
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non-aqueous: normal rules. aqueous: take stem of anion, add prefix hydro-, suffix -ic, and "acid"
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Naming ionic compounds
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metal name, add non-metal stem plus suffix -ide
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Naming molecular compounds
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Same as ionic, but use Greek number prefixes with element names if more than one atom of an element is present.
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