WorksheetsChemistry Part 2
Total questions: 45
Worksheet time: 23mins
Name
Class
Date
1.
The table shows the volumes of different samples of liquid. Which sample has the greatest DENSITY?
a)
A
b)
B
c)
C
d)
D
2.
When carbon, hydrogen and oxygen form glucose, what type of bonding occurs?
a)
substitution
b)
covalent
c)
ionic
d)
metallic
3.
When table salt forms what type of bonding happens?
a)
substitution
b)
covalent
c)
ionic
d)
metallic
4.
Sodium has how many valence electrons?
a)
11
b)
1
c)
4
d)
28
5.
In what type of bonding are electrons shared?
a)
substitution
b)
covalent
c)
ionic
d)
metallic
6.
Ionic bonds occur between
a)
Metals and nonmetals
b)
nonmetals and nonmetals
c)
metal & metal
d)
solid & solid
7.
Covalen bonds occur between
a)
Metals and nonmetals
b)
nonmetals and nonmetals
c)
metal & metal
d)
solid & solid
8.
What two quantities must be known to calculate the density of a sample of matter?
a)
mass and volume
b)
length and mass
c)
size and weight
d)
weight and volume
9.
Density is..
a)
a physical property
b)
a chemical property
10.
The graduated cylinder had an initial reading of 50 ml. When a rock was added it went up to 75 ml. What's the volume of the rock?
a)
25 ml
b)
50 ml
c)
75 ml
d)
125 ml
11.
If a rock has a mass of 50 g and a volume of 25 ml, then what's its density?
a)
2 g/ml
b)
3 g/ml
c)
1 g/ml
d)
0,5 g/ml
12.
A cube of metal is 2 cm high and has a mass of 16 grams. What will be the density?
a)
8 grams/cm cubed
b)
2 grams/cm cubed
c)
1 gram/cm cubed
d)
4 grams/cm cubed
13.
pH, flammability, and reactivity with other substances. These may all be classified as ______ properties.
a)
reactive
b)
physical
c)
nuclear
d)
chemical
14.
Magnetism is..
a)
a physical property
b)
a chemical property
15.
Rusting metal is an example of a _________ change.
a)
chemical
b)
phase
c)
physical
d)
state
16.
Silver is a white metal and is an excellent conductor of heat and electricity. The density of silver is 10.49 g/cm3. Silver does not react with water but it does react with nitric acid. Silver tarnishes when exposed to air or light. Which is a physical property of silver?
a)
tarnishes
b)
density
c)
reacts with nitric acid
d)
does not react with water
17.
A _____________ is used for measuring liquid volume in ______ units.
a)
flask; liters
b)
beaker; liters
c)
beaker; milliliters
d)
graduated cylinder; milliliters
18.
Which object is more dense than water?
a)
A
b)
B
c)
C
19.
Steve has an object that has a mass of 28 grams and a volume of 2 cm cubed. Using the information in the picture below to help Jack, what do you think Steve has?
a)
Foam
b)
Diamond
c)
Iron
20.
Properties are useful because
a)
they always let us see matter change
b)
they can help us identify substances
c)
they are always quantitative observations
d)
they help us to observe the number of protons or electrons in a substance
21.
Density, boiling point, and melting point are examples of what type of properties?
a)
physical
b)
chemical
c)
reaction
d)
coefficients
22.
What is found in the nucleus of an atom?
a)
protons only
b)
electrons only
c)
protons & electrons
d)
protons & neutrons
23.
About how many neutrons does Phosphorus (P) have in its nucleus?
a)
15
b)
28
c)
10
d)
13
24.
About how many electrons does Phosphorus (P) have in its nucleus?
a)
15
b)
28
c)
0
d)
13
25.
What is this element?
a)
He
b)
H
c)
Li
d)
Ne
26.
True or False.
Br shares similar properties to At.
Br shares similar properties to At.
a)
True
b)
False
27.
Which model has the atomic number of 10?
a)
A
b)
B
c)
C
d)
D
28.
Na is on the left side of the periodic table. What would be some of the properties of Na?
a)
conductor and dull
b)
shiny and brittle
c)
conductor and shiny
d)
dull and brittle
29.
Which, if any, of the gases listed could be the same?
a)
A & B
b)
B & C
c)
A & D
d)
None
30.
What type of metal is Mason's coin made of?
a)
Tin
b)
Silver
c)
Zinc
d)
Iron
31.
What type of bond will form between hydrogen (H) and oxygen (O)?
a)
covalent
b)
ionic
32.
Matter is made of atoms that have positively charged protons and negatively charged electrons. What will be the charge of an atom if they gain an electron?
a)
Positive
b)
Negative
c)
Neutral
33.
Which of the following elements has four valence electrons?
a)
Cr
b)
Co
c)
Ag
d)
Ge
34.
Iodine would have chemical properties most like
a)
Te
b)
Mn
c)
Cl
d)
Xe
35.
Is Xe malleable?
a)
Yes
b)
No
36.
Which element most likely to form an ionic bond with Iodine?
a)
Mn
b)
Cl
c)
Xe
d)
Te
37.
Which is the correct Lewis Dot Structure for Carbon?
a)
B
b)
D
c)
F
d)
H
38.
What level of ecological organization includes abiotic and biotic factors?
a)
population
b)
community
c)
ecosystem
d)
biome
39.
A student wanted to find out the effects of particle size on dissolving rates in making homogeneous mixtures. Which of the following tools will be helpful for her to collect quantitative data?
a)
ruler
b)
stopwatch
c)
scale
d)
color scale
40.
A student wanted to find out the effects of particle size on dissolving rates in making homogeneous mixtures. What would be the independent variable from this experiment?
a)
dissolving rate
b)
particle size
c)
amount of salt
d)
amount of water
41.
The periodic table is organized by
a)
atomoic mass
b)
atomic number
c)
atomic size
d)
atomic periodicity
42.
Mixtures can by separated by _____means.
a)
hard
b)
physical
c)
chemical
d)
electrolysis
43.
NaCl and HCl can be classified as
a)
elements and compounds
b)
elements and molecules
c)
elements and pure substances
d)
compounds and pure substances
44.
Suppose you have a container filled with iron and sand. You can separate the iron from the sand if you ____________ so this is a _________.
a)
use a magnet; mixture.
b)
melt the sand; mixture.
c)
add baking soda; chemical compound.
d)
dissolve the sand in water; solution
45.
What's the difference between homogeneous and heterogeneous mixtures?
a)
Homogeneous mixtures are chemically bound while heterogeneous mixtures are physically combined.
b)
The matter in heterogeneous mixtures are evenly distributed while in homogeneous mixtures the matter is visibly distinguishable.
c)
The matter in homogeneous mixtures are evenly distributed while in heterogeneous mixtures the matter is visibly distinguishable.
d)
Both homogeneous and heterogeneous mixtures can be physically separated.
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