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