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Chemical Bonds-AH

Total questions: 50

Worksheet time: 39mins

Name
Class
Date
1.

Identify the following compound as ionic or covalent: CF4

a)

ionic

b)

covalent

2.

Identify the following compound as ionic or covalent: Ca(OH)2

a)

ionic

b)

covalent

3.

When naming covalent compounds...

a)

You need roman numerals and no prefixes

b)

You do not need roman numerals or prefixes

c)

You need roman numerals and prefixes

d)

You do not need roman numerals but you do need prefixes

4.

Predict the bond that is formed between Phosophorus and Chlorine?

a)

Ionic

b)

Covalent

c)

Metallic

d)

H-bond

5.

How many valence electrons are shown in the diagram?

a)

16

b)

7

c)

6

d)

2

6.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
7.
What is the basis of a metallic bond?
a)
the attraction of neutral metal atoms.
b)
the attraction between protons and neutrons.
c)
the attraction between positive metal ions and interlocking electrons.
d)
the attraction between positive metal ions and free floating electrons.
8.

Examine the image: How many bonds are formed looking at the model of the compound? And also indetify what type of bond is formed.

a)

2 bonds; covalent

b)

4 bonds; metallic

c)

2 bonds; ionic

d)

4 bonds; covalent

9.

What do we call an atom that has a charge?

a)

Ion

b)

Molecule

c)

Isotope

d)

Metal

10.

The "Sea of Electrons" describes a ___________________ bond.

a)

Ionic

b)

Metallic

c)

Covalent

d)

Orbital

11.

Gold is often alloyed with other metals to improve its durability in jewelry. These alloys are made of _______________ bonds.

a)

Covalent

b)

Ionic

c)

Metallic

d)

Metalloid

12.

A salt is formed when an alkali metal combines with a halogen. Salts are held together with ____________ bonds.

a)

Ionic

b)

Covalent

c)

Polar

d)

Metallic

13.

What is the ionic formula for a bond between Calcium and Phosphorus?

a)

Ca2P3

b)

Ca3P2

c)

Ca2P5

d)

P5Ca2

14.

What is shared in a chemical bond?

a)

atoms

b)

protons

c)

electrons

d)

nucleus

15.

X has atomic number 11. Y has atomic number 17. State The formula of the compound formed between them

a)

YX

b)

X2Y

c)

XY

d)

Y2X

16.

The molecule containing triple covalent bond is

a)

oxygen

b)

ammonia

c)

nitrogen

d)

methane

17.
Write the formula for barium + nitrogen
a)
Ba2N3
b)
Ba3N2
c)
BaN
d)
BaN3
18.

What will be the charge of a bromine ion?

a)

+7

b)

-7

c)

-1

d)

+1

19.
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
20.

Ionic bonds are formed when electrons get

a)

Shared between two atoms

b)

Removed from both atoms

c)

Transferred from one atom to another

d)

Added to both atoms

21.

How many valence electrons does Po (Polonium) have? (Use your PTable)

a)

2

b)

4

c)

6

d)

8

22.

Why are there two sodiums (Na), in the formation of this ionic compound?

a)

There always has to be 2 metals

b)

The overall charge needs to add up to 4

c)

The overall charge has to be 0

d)

It needs to have more metal atoms than nonmetal

23.

Which of the following is an example of an ionic compound?

a)

H2O

b)

P2O3

c)

NaCl

d)

CO2

24.

Which of the following elements is most likely to form a cation?

a)

Chlorine

b)

Oxygen

c)

Strontium

d)

Sulfur

25.

The figures illustrates that...

a)

When something is in the liquid state it conducts electricity

b)

All substances conduct electricity

c)

ionic compounds conduct electricity when molten because ions are free to move

26.

Name the following ionic compound: Cr(NO2)3

a)

Chromium(II) nitrite

b)

Chromium(II) nitrate

c)

Chromium(III) nitrate

d)

Chromium(III) nitrite

27.

Determine the chemical formula for the ionic compound below:

Strontium Sulfide

a)

Sr2S2

b)

SrS

c)

SrS2

d)

Sr2S

28.

Determine the chemical formula for the ionic compound below:

Cesium chloride

a)

CsCl

b)

Cl2Cs

c)

ClCs2

d)

ClCs

29.

Which of the following combinations would need roman numerals in the name?

a)

potassium + fluorine

b)

beryllium + oxygen

c)

boron + iodine

d)

lead + oxygen 

30.

When naming ionic compounds with transition metals you need to include roman numerals to show the ___ of the metal.

a)

atomic number

b)

mass number

c)

charge

d)

ionization energy

31.

When naming ionic compounds, you always write the name of the positive element ___.

a)

first

b)

second

c)

with "ide"

d)

with a prefix

32.
Metals tend to _____ electrons to form _______; nonmetals tend to _____ electrons to form ________.
a)
lose, cations ;   lose, anions
b)
gain, cations ;    lose, anions
c)
gain, anions ;    gain, cations
d)
lose, cations ;     gain, anions
33.
How many valence electrons are in an ion of arsenide, As3-?
a)
5
b)
18
c)
8
d)
2
34.
What is the formula for copper(I) sulfate?
a)
CuSO3
b)
CuSO4
c)
Cu2SO3
d)
Cu2SO4
35.

Unknown element W has 2 valence electrons. Unknown element X has 7 valence electrons. Which formula shows the most likely outcome when elements W and X react?

a)

WX

b)

WX2

c)

W2X

d)

W2X2

36.
Identify Gallium Sulfate
a)
GaSO4
b)
Ga2(SO4)3
c)
Ga3(SO4)2
d)
Ga2SO4
37.
What is the correct formula for aluminum nitrate?
a)
AlN
b)
AlNO3
c)
Al(NO2)3
d)
Al(NO3)3
38.

What is a double bond?

a)

a bond between two atoms

b)

one pair of electrons shared between two atoms

c)

two pairs of electrons shared between two atoms

d)

three pairs of electrons shared between two atoms

39.

What is it called if there are three-pairs of electrons being shared?

a)

Triple bond

b)

Trigonal bond

c)

Double bond

d)

Single bond

40.

Which of these would be covalently bonded?

a)

Sodium, Na and potassium, K

b)

Magnesium, Mg and oxygen, O

c)

Fluorine, F and chlorine, Cl

d)

Helium, He and argon, Ar

41.

When a substance made of small molecules boils, what does the energy overcome?

a)

Intermolecular forces

b)

Ionic bonds

c)

Covalent bonds

42.
What is the name of Br6F10 ?
a)
Bromium fluoride
b)
Hexabromine fluoride
c)
Bromium decafluoride
d)
none of the above
43.
What is the OFFICIAL name for H2O
a)
Hydrogen Oxide
b)
Oxygen Dinitride
c)
Agua
d)
Dihydrogen Monoxide
44.
What is the correct name for NO?
a)
Mononitrogen Monoxide
b)
Nitrogen Monoxide
c)
Mononitrogen Dioxide
d)
Nitrogen Oxide
45.

Name the following compound: XeF6

a)

Monoxenon hexafluoride

b)

Xenon fluoride

c)

Xenon hexafluoride

d)

Xenon tretrafluoride

46.
The chemical formula of tetraphosphorus heptaoxide is
a)
F₄O₁₀
b)
P₄O7
c)
PO
d)
P₁₀O₄
47.

Choose the correct formula for this compound:


Silicon Tetrachloride

a)

SCl4

b)

SCl

c)

SiCl4

d)

SC4

48.

Choose the correct formula for this compound:


Iodine Heptafluoride

a)

I7F

b)

IF6

c)

IF7

d)

F7I

49.

What is the formula for Tricarbon Octahydride?

a)

Ca3O

b)

C2H8

c)

C3H8

d)

Ca3H8

50.

As4O10

a)

arsenic oxide

b)

quadarsenic decoxide

c)

tetraarsenic decoxide

d)

arsenic decoxide

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