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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 outermost energy level that is full of electrons.
D
an even number of electrons.
2) One molecule of glucose (C6H12O6) contains how many carbons?
A
1
B
2
C
12
D
6
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
four nitrogen and two oxygen atoms.
D
two nitrogen and two oxygen atoms.
4) The name for the compound with the formula CuBr2 would be written as...
A
copper (II) bromide.
B
copper (I) bromide.
C
copper (III) bromide.
D
copper bromide.
5) The forces that hold different atoms or ions together are...
A
physical bonds.
B
nuclear bonds.
C
electric currents.
D
chemical bonds.
6) An ionic bond is a bond that forms between...
A
ions with opposite charges.
B
atoms with neutral charges.
C
one atom's nucleus and another atom's electrons.
D
the electrons of two different atoms.
7) Which compound is formed from a tight network of oppositely charged ions?
A
salt, NaCl
B
sugar, C12H22O11
C
quartz, SiO2
D
water, H2O
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
metallic bonds
B
ionic bonds
C
polyatomic bonds
D
covalent bonds
10) When copper combines with oxygen to form copper (II) oxide, the charge of the copper ion is...
A
Cu+3
B
Cu+4
C
Cu+2
D
Cu+1
11) Covalent bonds form between...
A
compounds
B
metals
C
ions
D
nonmetals
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
Molecules are created.
B
Atoms are rearranged.
C
Atoms are created.
D
Atoms are destroyed.
14) ___________ is the arrangement of atoms in a substance.
A
Chemical formula
B
Chemical structure
C
Chemical bond
D
Molecular 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
chemical structure
C
bond angle
D
molecular formula
16) _________________ is the average distance between the nuclei of two bonded atoms.
A
Bond length
B
Ionic bond
C
Distance
D
Bond angle
17) An ion made of two or more atoms is called a(n) __________________________.
A
polyatomic ion
B
metallic bond
C
ionic bond
D
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
bond length
B
covalent bond
C
bond angle
D
ionic bond
20) A bond formed when atoms share one or more pairs of electrons is called ________________________.
A
metallic bond
B
covalent bond
C
polyatomic bond
D
ionic bond
*select an answer for all questions
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