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