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Unit II Bonding DCSD

Total questions: 44

Worksheet time: 37mins

Name
Class
Date
1.
Ionic bonds are between...
a)
nonmetals and nonmetals
b)
carbon and oxygen
c)
metals and nonmentals
d)
hydrogen and chlorine
2.

Covalent bonds are between...

a)

two or more nonmetals

b)

sodium and chlorine

c)

metals and metals

d)

metals and nonmetals

3.
What is the name for an ion with a positive charge?
a)
cation
b)
anion
c)
onion
d)
union
4.
What is the name for an ion with a negative charge?
a)
cation
b)
anion
c)
onion
d)
union
5.
What are valence electrons?
a)
sum of the protons and neutrons
b)
protons minus electrons
c)
electrons in the inner shells
d)
electrons in the outer shell
6.
If an atom loses two electrons what charge will it have?
a)
-2
b)
-1
c)
+1
d)
+2
7.
What happens when a sodium atom loses an electron?
a)
0
b)
-1
c)
+1
d)
-2
8.
How many valence electrons does oxygen have?
a)
2
b)
4
c)
5
d)
6
9.
Predict the bond that will form between Be and F.
a)
Ionic
b)
Covalent
10.
What is the number of valence electrons for Silicon?
a)
1
b)
2
c)
6
d)
4
11.
What type of diagram is this?
a)
Electron Dot Diagram
b)
Bohr Model
c)
Alkali Diagram
d)
Chemical Diagram
12.
Atoms gain lose, gain, or ______electrons to get a stable outer energy level.
a)
share
b)
split
c)
create
d)
destroy
13.
A ____________is the force that holds atoms together in a compound.
a)
Chemical Formula
b)
Chemical Reaction
c)
Chemical Bond
d)
Synthesis Reaction
14.

A _______ is a charged particle because it has more or fewer electrons than protons. When an atom _____ an electron, it becomes a positively charged ion. When an atom ____an electron, it becomes a negatively charged ion.

a)

isotope, gains, loses

b)

isotope, loses, gains

c)

ion, loses, gains

d)

ion, gains, loses

15.

Why does an atom tend to chemically bond with another atom?

a)

To become more stable

b)

To remain on its present state

c)

To maintain its energy

d)

To decrease its stability

16.
Which of these is covalent?
a)
NaCl
b)
Pb(NO3)2
c)
CO2
d)
AlCl3
17.
Elements on the LEFT side of the periodic table will most likely form:
a)
Positive ions
b)
Negative ions
c)
Neutral Ions
d)
None of these
18.
Which of the following is a compound?
a)
Silver
b)
Oxygen
c)
Argon
d)
Carbon Dioxide
19.
How many electrons will fit on the second energy level of an atom?
a)
2
b)
8
c)
18
d)
32
20.
How many electron can fit on the first electron shell?
a)
2
b)
8
c)
18
d)
32
21.
Why do the noble gases not react with other elements?
a)
They don't want to
b)
They need many electrons
c)
They have 8 valence electrons
d)
Their protons and electrons are balanced
22.
A bond between a metal and metal is called
a)
Ionic Bond
b)
Covalent Bond
c)
Metallic Bond
23.
Which element can combine with oxygen to form a molecular compound?
a)
Fe
b)
Mg
c)
C
d)
Ne
24.

For representative elements (Groups 1A - 8A), the number of valence electrons is equal to

a)

the group number

b)

the period number

c)

the atomic number

d)

the group number minus 10

25.
What is the name of K2O?
a)
dipotassium monoxide
b)
dipotassium oxygen
c)
Potassium oxide
d)
Potassium oxygen
26.
What is the name of NF3?
a)
mononitrogen trifluoride
b)
nitrogen trifluoride
c)
nitrogen flouride
d)
nitrogen fluorine 
27.
What is the name for CO?
a)
Copper Oxide
b)
Carbon monoxide
c)
monocarbon oxide
d)
Copper monoxide
28.
What is the formula for sulfur pentoxide?
a)
SO2
b)
SO3
c)
SO4
d)
SO5
29.

Name the ionic compound, FeBr3

a)

Iron (II) bromide

b)

Iron (III) bromide

30.

What is the correct molecular formula for sodium nitrate?

a)

NaNO2

b)

Na3N

c)

Na3NO

d)

NaNO3

31.

What is the correct molecular formula for barium hydroxide?

a)

Ba(OH)2

b)

Ba2OH

c)

BaOH

d)

Ba2OH

32.

How many valence electrons does Nitrogen Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

33.
How many electrons should Magnesium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
34.

By replacing the element symbol, this could be a diagram of which element?

a)

Li

b)

Al

c)

C

d)

Be

35.

Which is the correct lewis dot structure for Ne?

a)

A

b)

D

c)

F

d)

H

36.
A state of matter that has a definite volume and shape.
a)
solid
b)
liquid
c)
gas
d)
matter
37.
Iron + oxygen = rust is an example of a ___________.
a)
physical property/change
b)
chemical property/change
c)
mass
d)
volume
38.
Shape is a ____ that helps identify an object.
a)
physical property
b)
chemical property
c)
mass
d)
matter
39.
What are the states of matter?
a)
solid, liquid, and juice
b)
solid and liquid
c)
solid and gas
d)
solid, liquid, and gas
40.
If you saw a glass of water and later the water was gone what happened to the water? Remember that your in the science lab.
a)
Ms. Klenk was very thirsty and drank the water.
b)
evaporation
c)
precipitation
d)
solubility
41.
A physical property can be observed with your
a)
Eyes
b)
Ears
c)
Tastes
d)
All of the above
42.
An example of a physical property is 
a)
flammability
b)
acidic
c)
color
d)
ability to rust
43.
Changing the way matter looks without changing it into NEW matter is a:
a)
Chemical change
b)
Physical change
c)
Energy change
d)
BOTH a chemical and a physical change
44.
Burning wood to ash is an example of a:
a)
Physical change
b)
Chemical change

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