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WorksheetsChemistry Review
Total questions: 50
Worksheet time: 41mins
Name
Class
Date
1.
What is the mass on this triple beam?
a)
270g
b)
202g
c)
273g
2.
What is the mass on this triple beam?
a)
200g
b)
44g
c)
244g
d)
4g
3.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
4.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
5.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
6.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
7.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
8.
an atom with atomic number 6 would have how many protons
a)
6
b)
12
c)
3
d)
cannot be determined
9.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
10.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
11.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
12.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
13.
GOLD
a)
Al
b)
Ag
c)
Ar
d)
Au
14.
CARBON
a)
C
b)
Ca
c)
Cl
d)
Cu
15.
SILICON
a)
S
b)
Si
c)
Su
d)
Sc
16.
SODIUM
a)
S
b)
So
c)
N
d)
Na
17.
HELIUM
a)
H
b)
He
c)
Hl
d)
Hm
18.
HYDROGEN
a)
H
b)
He
c)
Hy
d)
Hd
19.
ZINC
a)
Zn
b)
Z
c)
Zi
d)
Zc
20.
FLUORINE
a)
F
b)
Fl
c)
Fu
d)
Fe
21.
ALUMINUM
a)
Al
b)
Au
c)
Ag
d)
Am
22.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
23.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
24.
The number at the bottom of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
chemical symbol
d)
element name
25.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
26.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
27.
Salt has a chemical formula of NaCl. Salt is a...
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
28.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
29.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
30.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
31.
A combination of substances that are not chemically combined is called a(n)____________.
a)
mixture
b)
compound
c)
physical
32.
An element is made up of only one kind of _____.
a)
isotope
b)
plastic
c)
atom
d)
metal
33.
What is H2SO4
made up of?
made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
34.
compounds are chemically bounded together
a)
False
b)
true
35.
Can an element be broken down into a simpler substance
a)
yes
b)
No
36.
Are there any compounds on the periodic table
a)
yes there are many
b)
no because only elements are on the periodic table
37.
which one can be found on the periodic table
a)
Compound
b)
Element
38.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
39.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
40.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
41.
Examples are milk and gasoline.
a)
elements
b)
mixtures
c)
compounds
42.
What is salad?
a)
element
b)
compound
c)
mixture
43.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
44.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements and Compounds
d)
Mixture of Elements
45.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements & Compounds
d)
Mixture of Compounds
46.
Classify the picture with the correct label.
a)
Compounds
b)
Mixture of Elements
c)
Mixture of Compounds
d)
Mixture of Elements & Compounds
47.
You should never ______ chemicals in the lab.
a)
taste
b)
touch
c)
smell
d)
all of the above
48.
If you are not sure what to do during a lab activity:
a)
guess
b)
change lab partners
c)
ask a teacher
d)
just sit quietly and do nothing
49.
Bob and Lizzy are working in the lab. They are goofing off and break a glass test tube. Which rule did the break?
a)
Know the location of the safety equipment.
b)
Do not eat or drink in the lab.
c)
Read instructions.
d)
No playing around!
50.
Which of the following are examples of dressing appropriately in the lab?
a)
Pulling long hair back
b)
Leaving long hair down to get in the chemicals.
c)
Wearing sandals
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