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Ch. 5 Review For Final
Test Description: These Chapter 5 Qs are fair game for your final.
Instructions: Answer all questions to get your test result.
1) Often atoms join so that each atom will have...
A
an equal number of protons and electrons.
B
more electrons than either protons or neutrons.
C
an even number of electrons.
D
an outermost energy level that is full of electrons.
2) One molecule of glucose (C6H12O6) contains how many carbons?
A
2
B
6
C
12
D
1
3) The name dinitrogen tetraoxide tells you that this compound contains...
A
two nitrogen and four oxygen atoms.
B
four nitrogens and four oxygen atoms.
C
two nitrogen and two oxygen atoms.
D
four nitrogen and two oxygen atoms.
4) The name for the compound with the formula CuBr2 would be written as...
A
copper (I) bromide.
B
copper (III) bromide.
C
copper (II) bromide.
D
copper bromide.
5) The forces that hold different atoms or ions together are...
A
electric currents.
B
physical bonds.
C
nuclear bonds.
D
chemical bonds.
6) An ionic bond is a bond that forms between...
A
atoms with neutral charges.
B
the electrons of two different atoms.
C
ions with opposite charges.
D
one atom's nucleus and another atom's electrons.
7) Which compound is formed from a tight network of oppositely charged ions?
A
sugar, C12H22O11
B
quartz, SiO2
C
salt, NaCl
D
water, H2O
8) A carbon atom can bond to 4 other atoms because it has...
A
2 inner energy levels.
B
no protons in its nucleus.
C
4 valence electrons.
D
4 different cations.
9) In which type of bond do atoms share electrons?
A
polyatomic bonds
B
ionic bonds
C
metallic bonds
D
covalent bonds
10) When copper combines with oxygen to form copper (II) oxide, the charge of the copper ion is...
A
Cu+2
B
Cu+1
C
Cu+4
D
Cu+3
11) Covalent bonds form between...
A
nonmetals
B
compounds
C
ions
D
metals
12) The anion formed from an oxygen atom is called a(n)...
A
oxygen ion.
B
nitrogen ion.
C
oxide ion.
D
carbon dioxide.
13) What happens in a chemical reaction?
A
Atoms are destroyed.
B
Molecules are created.
C
Atoms are rearranged.
D
Atoms are created.
14) ___________ is the arrangement of atoms in a substance.
A
Chemical bond
B
Molecular formula
C
Chemical structure
D
Chemical formula
15) A(n) ______________________ is the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio.
A
molecular formula
B
empirical formula
C
bond angle
D
chemical structure
16) _________________ is the average distance between the nuclei of two bonded atoms.
A
Bond length
B
Bond angle
C
Ionic bond
D
Distance
17) An ion made of two or more atoms is called a(n) __________________________.
A
metallic bond
B
ionic bond
C
polyatomic ion
D
ion
18) The attractive forces that hold atoms or ions together are called________________________.
A
chemical bonds
B
ionic bonds
C
metallic bonds
D
covalent bonds
19) The angle formed by two bonds to the same atom is called ____________________.
A
ionic bond
B
bond angle
C
covalent bond
D
bond length
20) A bond formed when atoms share one or more pairs of electrons is called ________________________.
A
ionic bond
B
metallic bond
C
covalent bond
D
polyatomic bond
*select an answer for all questions
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