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