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Physical Science--Review For Ch.5 Test
Test Description: Ionic and Covalent bonding
Instructions: Answer all questions to get your test result.
1) When iron combines with oxygen to form iron(II) oxide, the charge of the iron ion is
A
Fe4+
B
Fe2+
C
Fe3+
D
Fe1+
2) Determine the choice that has the number of atoms of each element listed correctly for the compound C6H12O6.
A
6 carbon, 12 hydrogen, 6 oxygen
B
none of the choices
C
12 carbon, 24 hydrogen, 12 oxygen
D
12 carbon, 6 hydrogen, 12 oxygen
3) The name for the compound with the formula CoF2 would be written as
A
cobalt (II) fluoride
B
cobalt fluoride
C
cobalt fluorine
D
cobalt (I) fluoride
4) The forces that hold different atoms or ions together are
A
nuclear forces
B
chemical bonds
C
electric currents
D
physical bonds
5) Determine whether CaS is an ionic, covalent, or both (meaning it involves a polyatomic ion) types of bonds.
A
ionic
B
both
C
covalent
6) The name trinitrogen pentoxide tells you that this compound contains
A
three nitrogen atoms and five oxygen atoms.
B
three nitrogen atoms and three oxygen atoms
C
five nitrogen atoms and three oxygen atoms
D
five nitrogen atoms and five oxygen atoms
7) An ionic bond is a bond that forms between
A
the electrons of two different atoms.
B
ions with opposite charges.
C
one atom's nucleus and another atom's electrons.
D
atoms with neutral charges.
8) Determine the choice that has the number of atoms of each element listed correctly for the compound, AlPO4.
A
1 aluminum, 4 phosphorus, 1 oxygen
B
1 aluminum, 1 phosphorus, 4 oxygen
C
1 aluminum, 1 phosphate
D
none of the choices
9) Determine whether MgSO4 is an ionic, covalent, or both (meaning it involves a polyatomic ion) types of bonds.
A
covalent
B
both
C
ionic
10) What ion (charge does a sulfur atom form when it loses or gains electrons?
A
3+
B
2-
C
3-
D
2+
11) Which compound is formed from a tight network of oppositely charged ions?
A
sugar, C12H22O11
B
water, H2O
C
quartz, SiO2
D
salt, NaCl
12) Often atoms join so that each atom will have
A
more electrons than either protons or neutrons.
B
an equal number of protons and electrons.
C
an even number of electrons.
D
an outermost energy level that is full of electrons.
13) Determine whether NO3 is an ionic, covalent, or both (meaning it involves a polyatomic ion) types of bonds.
A
covalent
B
ionic
C
both
14) The name for the compound with the formula Fe2S3 would be written as
A
iron sulfide
B
iron (II) sulfide
C
iron (III) sulfide
D
iron (III) sulfate
15) In which type of bond do atoms share electrons?
A
ionic bonds
B
covalent bonds
C
metallic bonds
D
polyatomic bonds
16) When vanadium combines with bromine to form vanadium (III) bromide, the charge of the vanadium ion is
A
V3+
B
V1+
C
V2+
D
V4+
17) A carbon atom can bond to four other atoms because it has
A
no protons in its nucleus.
B
four different cations.
C
two inner energy levels.
D
four valence electrons.
18) The anion formed from an oxygen atom is called a(n)
A
oxide ion
B
nitrous oxide
C
oxygen ion
D
carbon dioxide
19) Covalent bonds are formed between
A
nonmetal atoms.
B
compounds.
C
ions.
D
metal atoms.
20) How many valence electrons does a calcium atom have?
A
4
B
2
C
none of the choices
D
6
*select an answer for all questions
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