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Review For Chapter 5 Test
Test Description: Review for chapter 5 test, the Structure of Matter
Instructions: Answer all questions to get your test result.
1) Amixture is different from a compound because each substance in a mixture
A
retains its own properties
B
changes from a solid to a liquid
C
forms an ion
D
changes its electric charge
2) Each molecule of hydrochoric acid, HCl, contains one atom of hydrogren and
A
two atoms of oxygen
B
one atom of oxygen
C
one atom of chlorine
D
two atoms of chlorine
3) In which substance do the molescules have the strongest attraction to one another
A
water a liquid
B
hydrogen, a gas
C
sulfuric acid, a liquid
D
sugar , a liquid
4) Often atoms join so that each atom will have
A
an outermost energy level is full of electrons
B
an equal number of protons and electrons
C
more electrons than either the protons and nuetrons
D
an even number of electrons
5) In a metallic bond, the nucleus of one atom is attracted by a nearby atom's
A
negative ion
B
electrons
C
energy structure
D
nucleus
6) Solid ionic compounds have high melting points because they
A
are made of elements that are solid at room temperature
B
contain metallic elements
C
contains charged ions that are locked tightly together
D
are positvely charged
7) The name of the compound with the formula Cu Br2
A
copper bromide
B
copper (II) bromide
C
copper (III) bromide
D
copper (I) bromide
8) The simplest organic compound is
A
aspirin
B
salt
C
table sugar
D
methane
9) Polymers are large molecules that are made of
A
cations
B
carbon and oxygen only
C
anions
D
repeating units
10) A protein is a polymer that is made of
A
DNA
B
nitrogen and carbon dioxide
C
amino acids
D
simple sugars
*select an answer for all questions
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