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Unit 4 Nomenclature/Bonding

Total questions: 63

Worksheet time: 1hrs 11mins

Name
Class
Date
1.
Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?
a)
There are 2 bromide ions for every magnesium ion
b)
Bromide has a 2- charge
c)
Bromide has a 2+ charge
d)
There are 2 magnesium ions to every bromide ion
2.
What is the formula of Sodium oxide?
a)
Na2O
b)
NaO2
c)
Na2O2
d)
Na2O
3.

What is the formula for calcium carbonate?

a)

Ca3CO2

b)

CaCO2

c)

CaCO3

d)

Ca2(CO3)2

4.

What is the FORMULA for ammonium sulfide?

a)

(NH4)2S

b)

NH4 S

c)

(NH4)2S4

d)

NH2S

5.
The name of P₄S₁₀ is
a)
phosphorous sulfide
b)
phosphorus sulfide
c)
tetraphosphorus decasulfide
d)
phosphorus (X) sulfide
6.
The chemical formula of sulfur hexabromide is
a)
SBr₆
b)
S₆Br
c)
S(VI)Br
d)
S6Br
7.
What is the formula for dichlorine heptaoxide?
a)
Cl2O5
b)
Cl7O2
c)
Cl2O6
d)
Cl2O7
8.
Nitrogen will ____ electrons when forming an ionic bond.
a)
gain 1
b)
lose 1
c)
gain 3
d)
lose 3
9.
Ionic bonds form between metals and ____.
a)
metalloids
b)
metals
c)
nonmetals
10.
which types of elements become cations?
a)
nonmetals
b)
all metals
c)
only transition metals
d)
some metals and some metalloids
11.
Valence electrons are those in the ______ energy level of an atom.
a)
innermost
b)
outermost
c)
middle
12.
An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?
a)
Gain 5
b)
Lose 3
c)
Nothing
13.
Magnesium and Sulfur would probably be able to form an ionic bond.
a)
True
b)
False
14.
What type of elements will form an ionic bond?
a)
Metals + Metals
b)
Nonmetals + Nonmetals
c)
Metals + Nonmetals
d)
None of the above
15.
Covalent bonds are generally formed between _.
a)
metals and nonmetals
b)
nonmetals
c)
metals
d)
metalloids
16.
Covalent compounds have bonds formed by sharing _ electrons.
a)
at least three
b)
valence
c)
no
d)
all
17.

Ionic or covalent?

H2O

a)

Ionic

b)

Covalent

c)

Acid

18.
In a covalent bond, one or more electrons are? 
a)
shared 
b)
lost 
c)
gained 
d)
transferred 
19.

Molecules made of two atoms

a)

metallic bond

b)

diatomic molecule

20.
According to the octet rule, all atoms want to have ___ electrons in their outer shell
a)
1
b)
2
c)
6
d)
8
21.
All atoms obey the octet rule except...
a)
H
b)
P
c)
F
d)
Ne
22.
How many valence electrons are on Helium?
a)
1
b)
2
c)
6
d)
8
23.
True or false: in an ionic bond electrons are shared.
a)
True
b)
False
24.
How many electrons are shared in a double bond?
a)
1
b)
2
c)
4
d)
6
25.

Which of the following is a covalent bonding?

a)

MgS

b)

NaCl

c)

CH4

d)

LiBr

26.
Naming a compound that starts with a transition metal requires us to use...
a)
Prefixes
b)
Roman Numeral
c)
Nothing, just name it
27.
Naming a compound of two non-metals requires us to use..
a)
Prefixes
b)
Roman Numerals
c)
Nothing, just name it
28.
Name the prefix associate with:
7
a)
septa
b)
hexa
c)
octa
d)
hepta
29.
 A lone pair is defined as
a)
A pair of bonding electrons
b)
One non-bonding electron
c)
A pair of non-bonding electrons
d)
A pair of electrons on the central atom
30.
What is the VSEPR theory used to predict?
a)
Bond Strength
b)
Polarity
c)
Molecular Shape
d)
Electronegativity
31.

What molecular geometry would PH3 have?

a)

Trigonal Pyramidal

b)

Trigonal Bipyramidal

c)

Bent

d)

Linear

32.
What molecular shape is the structure shown here? (BCl3)
a)
linear
b)
trigonal planar
c)
tetrahedral
d)
trigonal pyramidal
33.
What molecular shape is the structure shown here? (H2O)
a)
tetrahedral
b)
trigonal planar
c)
bent
d)
trigonal pyramidal
34.
Determine the molecular shape of carbon tetrafluoride.
a)
linear
b)
trigonal planar
c)
bent
d)
tetrahedral
35.
What molecular shape is the structure shown here? (BeCl2)
a)
linear
b)
bent
c)
trigonal planar
d)
tetrahedral
36.

What shape would this have?

a)

Trigonal planar

b)

Pyramidal

c)

Tetrahedral

d)

Bent

37.

3 atoms bonded and 0 lone pairs

a)

linear

b)

trigonal planar

c)

bent

d)

tetrahedral

e)

trigonal pyramidal

38.
Phosphorous trichloride
a)
PCl3
b)
P3Cl
c)
P3Cl3
d)
PCL
39.
How are covalent bonds explained?
a)
When one atom takes the other atom's electron
b)
When the atom shares an electron with an another atom
c)
When the two nucleus merge
d)
When the neutrons leave the nucleus
40.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
41.
How many electrons are shared in a triple bond?
a)
6
b)
3
c)
6 pairs
d)
5
42.
VSEPR stands for ________ theory.
a)
Valence Structure of Electron Pyramids and Regression
b)
Varied Structures of Electrons Paired and Replaced
c)
Varied Shell Energy of Protons and Radiation
d)
Valence Shell Electron Pair Repulsion
43.
The shape of Carbon Dioxide is called ______. 
a)
tetrahedral
b)
square
c)
planar
d)
linear
44.
Name the acid: HC2H3O2
a)
Acetic Acid
b)
Acetous Acid
c)
Hydrogen Acetate
d)
Hydrogen Dicarbon Trihydrogen Dioxygen
45.
What is the formula for phosphorous acid?
a)
H3PO4
b)
H2PO4
c)
H3P
d)
H3PO3
46.
What is the formula for Hydrosulfuric Acid?
a)
H2(SO3)
b)
H2S
c)
H2(SO2)
d)
H2(SO4)
47.
What is the formula for Nitric Acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
48.
Name HF
a)
hydrofluoric acid
b)
Hypofluoric acid
c)
hydrogen fluorine acid
d)
fluoric acid
49.
What is the formula for hydrochloric acid?
a)
HCl
b)
HClO
c)
H3ClO3
d)
HClO3
50.
What is the formula for nitric acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
51.
What determines the number of hydrogens in your acid?
a)
there are always just one
b)
its the same as the charge of hydrogen
c)
its the same as the charge of the anion
d)
magic
52.
Select the formula for the following acid: chloric acid
a)
HClO3
b)
HCl
c)
HClO4
53.

HCN is a linear molecular geometry. What is the polarity of HCN molecule?

a)

Polar molecule

b)

Non-polar molecule

54.

Symmetrical shape is

a)

Polar

b)

Nonpolar

55.

Asymmetrical shape is

a)

Polar

b)

Nonpolar

56.

Is the following compound ionic or covalent?

A material with a high melting point

a)

Ionic

b)

Covalent

57.

Is the following compound ionic or covalent?

A material that has a low boiling point

a)

Ionic

b)

Covalent

58.

Is the following compound ionic or covalent?

Cl2

a)

Ionic

b)

Covalent

59.

Is the following compound ionic or covalent?

A material that forms a crystal lattice

a)

Ionic

b)

Covalent

60.

Is the following compound ionic or covalent?

A material that SHARES electrons

a)

Ionic

b)

Covalent

61.

Is the following compound ionic or covalent?

A material that LOSES and GAINS electrons

a)

Ionic

b)

Covalent

62.
N2, Cl2, and O2 are all 
a)
diatomic molecules.
b)
ionic bonds.
c)
of equal mass.
d)
solids.
63.
Diatomic molecules are __________ found in nature as their single element: I, O, N, H, Br, Cl, or H.
a)
often
b)
never
c)
sometimes
d)
always

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