Section 7.1 And 7.2 Question Preview (ID: 39657)
Section 7.1 And 7.2.
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A mixture containing tiny suspended clumps or particles is a ?
a) compound
b) solution
c) colloid
d) pure substance
If molecules of two substances in a mixture are uniformly mixed, the mixture is a ?
a) compound
b) solution
c) colloid
d) pure substance
A molecule that has opposite partial charges on opposite ends of the molecule is a(n) ? molecule
a) ionic
b) covalent
c) polar
d) nonpolar
How many individual electrons are shared in a double bond?
a) 1
b) 2
c) 3
d) 4
All of the following are covalent network substances except ?
a) water
b) graphite
c) quartz
d) diamond
A diagram showing the locations of all the atoms and valence electrons in a compound is a ?
a) Bohr drawing
b) Lewis structure
c) Chemical diagram
d) CGI drawing
Molecules with the same number and types of atoms but different arrangements of atoms are ?
a) isotopes
b) isomers
c) precipitates
d) solutions
A substance that dissolves to form a solution is the ?
a) solute
b) solution
c) solvent
d) salutation
Pure substances that are physically mixed but not chemically united form a ?
a) delocalization
b) mixture
c) solution
d) isomer
The simplest ratio of atoms in a covalent network is the ?
a) 2:1
b) formula unit
c) unit of ratio
d) 1:1
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