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Chemical Bonds

Total questions: 35

Worksheet time: 35mins

Name
Class
Date
1.

Name the following: MgO

a)

Magnesium Oxide

b)

Monomagnesium monoxide

c)

Magnesium monoxide

d)

Magnesium (II) oxide

2.

Name the following: CF4

a)

Carbon fluoride

b)

Monocarbon tetrafluoride

c)

Carbon tetrafluoride

d)

Carbon fluorate

3.

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 valence electrons

b)

Lose 3 valence electrons

c)

Nothing, it is fine with 3 valence electrons

4.

How many Aluminum atoms are in Al2O3?

a)

3

b)

5

c)

2

d)

1

5.

Write the correct formula for Sodium Chloride.

a)

SC

b)

SCl

c)

NaCl

d)

NaCl2

6.

How do covalent bonds form?

a)

By donating and receiving valence electrons between atoms.

b)

Scientists still aren't sure.

c)

Opposite slight charges attract each atom in the compound.

d)

Sharing valence electrons between atoms

7.

What two types of atoms make a covalent bond?

a)

non metal + non metal

b)

non metal + metal

c)

metal + metal

d)

noble gas + noble gas

8.

When an atom loses an electron, it becomes a

a)

positive ion

b)

negative ion

c)

neutral ion

d)

neutral atom

9.
How many valence electrons does a bromine atom have?
a)
1
b)
2
c)
6
d)
7
10.

A bond between a metal and a nonmetal is called a(n) ____

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

11.

What type of bond involves the sharing of electrons between atoms?

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

12.

Identify the following compound as ionic or covalent: MgO

a)

ionic

b)

covalent

13.

Identify the following compound as ionic or covalent: SO2

a)

ionic

b)

covalent

14.
Among the following, which combination would be most likely to form an ionic compound? 
a)
N and Br
b)
S and Cl
c)
Na and I
d)
H and O 
15.

Prefixes are used only for___________ compounds.

a)

covalent

b)

Ionic

16.

What is the correct formula for Calcium chloride?

a)

CaCl

b)

Ca2Cl

c)

CaCl2

d)

CACl

17.
Why do atoms share electrons?
a)
To attain the electron configuration of a noble gas.
b)
To become ions and take a charge
c)
to increase the mass
d)
it's a nice thing to do.
18.

Which of the following is NOT covalently bonded?

a)

Li2S

b)

H2O

c)

I2

d)

CO2

19.

Give the chemical formula: Phosphorus tribromide

a)

PBr

b)

PBr7

c)

P3Br

d)

PBr3

20.

How do you name this molecule?

a)

dioxygen monohydride

b)

hydrogen dioxide

c)

dihydrogen oxygen

d)

dihydrogen monoxide

21.

How do the following two elements bond together?

Al3+ O2-

a)

AlO

b)

Al2O3

c)

Al3O6

d)

Al3O2

22.

Which of the following is true about Ionic Bonds? (select ALL TRUE options)

a)

High melting point

b)

Low melting point

c)

Can dissolve in water

d)

Cannot dissolve in water

e)

Can conduct electricity

23.

Which of the following is true about Covalent bonds? (select ALL true options)

a)

High melting point

b)

Low melting point

c)

Can dissolve in water

d)

very reactive with water

e)

weak attractions

24.

Which sequence of atomic numbers represent elements with similar chemical properties?

a)

3, 5, 8, 10

b)

2, 9, 7, 34

c)

3, 19, 37, 87

d)

10, 36, 1, 6

25.
Ionic Bonding involves...
a)
The transfer of protons
b)
The transfer of nuetrons 
c)
The transfer of electrons
d)
None Of the above
26.

What is a positive ion called?

a)

anion

b)

cation

c)

isotope

d)

covalent

27.

What is a negative ion called?

a)

anion

b)

cation

c)

covalent

d)

isotope

28.

Which particles change the charge in atoms when ions are formed?

a)

Protons

b)

Electrons

c)

Neutrons

29.
What is the charge of an atom that has lost one electron?
a)
-1
b)
-2
c)
+1
d)
+2
30.
What happens when a neutral cesium atom forms an ion?
a)
It gains one electrons.
b)
It loses two electrons.
c)
It gains three electrons.
d)
It loses one electron.
31.

What is the charge of this ion?

a)

FF

b)


F−F^-

c)

F+F^+

d)

F10F^{10}

32.

Which of the diagrams is the correct model for Beryllium?

a)
b)
c)
d)
33.
Which of these is NOT an alloy?
a)
bronze
b)
copper
c)
brass
d)
stainless steel
34.
Which type of bonding allows for the conduction of electricity in the solid state?
a)
Metallic
b)
Ionic
c)
Network Covalent
d)
Molecular Covalent
35.

What type of bond involves the sharing of electrons between metals?

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

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