a) The substance has a variable shape. b) The substance has a fixed volume. c) Particles have restricted movement. d) Particles have a disordered arrangement. e) all of the above
a) molecular attraction b) molecular mass c) molecular motion d) molecular size e) none of the above
a) kinetic energy increases and velocity decreases b) kinetic energy decreases and velocity increases c) kinetic energy and velocity increase d) kinetic energy and velocity decrease e) kinetic energy and velocity remain constant
a) element b) compound c) pure substance d) homogeneous mixture e) heterogeneous mixture
a) heterogeneous mixture. b) homogeneous mixture. c) element d) compound e) pure substance
a) compound b) element c) heterogeneous mixture d) homogeneous mixture e) pure substance
a) palladium b) phosphorus c) platinum d) plutonium e) potassium
a) boron b) barium c) beryllium d) bromine e) bismuth
a) carbon b) californium c) calcium d) cadmium e) none of the above
a) mercury b) sodium c) hydrogen d) silver e) none of the above
a) tin b) iron c) lead d) fermium e) none of the above
a) reacts by gaining electrons b) reacts by losing electrons c) reacts by sharing electrons d) reacts with other metals e) none of the above
a) reacts by gaining electrons b) reacts by losing electrons c) reacts by sharing electrons d) reacts with metals e) reacts with other nonmetals
a) 4 b) 14 c) 18 d) 20 e) 42
a) boiling point, 99oC b) density, 0.692 g/mL c) burns with air d) immiscible with water e) colorless liquid
a) producing bubbl;es after mixing solutions b) giving a precipitate after mixing solutions c) liberating heat after mixing solutions d) changing color after mixing solutions e) all of the above
a) converting gasoline to carbon dioxide and water b) digesting starch to give glucose c) grinding sucrose crystals into powdered sugar d) smoking tobacco e) generating carbon dioxide from baking soda and vinegar
a) law of conservation of mass b) law of conservation of energy c) law of conservation of mass and energy d) law of constant composition e) none of the above
a) light b) electrical c) nuclear d) chemical e) all of the above
a) chemical and mechanical energy b) chemical and heat energy c) electrical and mechanical energy d) electrical and heat energy e) nuclear and mechanical energy
a) atom b) entity c) formula unit d) molecule e) none of the above
a) atomic number b) atomic notation c) chemical formula d) chemical symbol e) none of the above
a) compound b) element c) homogeneous d) matter e) none of the above
a) compound b) element c) heterogeneous mixture d) homogeneous mixture e) none of the above
a) compound b) element c) heterogeneous mixture d) pure substance e) none of the above
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