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WorksheetsChem 1 Review
Total questions: 60
Worksheet time: 3hrs 25mins
Name
Class
Date
1.
All matter is made up of particular particles called
a)
atoms
b)
cells
c)
compounds
d)
molecules
2.
The periodic table is arranged into what 3 major groups:
a)
elements/atoms/compounds
b)
metals/transition metals/rare-earth metals
c)
metals/metalloids/nonmetals
d)
periods/groups/rare-earth
3.
The atomic number of an atom is
a)
The mass of the atom
b)
The number of protons added to the number of neutrons
c)
The number of protons
d)
Negatively charged
4.
If an atom has 6 protons, then is also has
a)
6 electrons
b)
6 neutrons
c)
More protons than electrons
d)
An atomic mass of 6
5.
What state of matter are most elements found in?
a)
solid
b)
liquid
c)
gas
6.
Which subatomic particle has a positive charge?
a)
Electron
b)
Proton
7.
Can elements be broken down into anything simpler?
a)
Yes
b)
No
8.
Which subatomic particle can be found outside the nucleus of the atom, in the orbital shells?
a)
Proton
b)
Electron
9.
Which subatomic particle has a negative charge?
a)
Electron
b)
Neutron
10.
In the picture, what is the atomic number for Sodium?
a)
11
b)
22.9
c)
Na
d)
none of the above
11.
A compound would be?
a)
NaCl
b)
H
c)
HE
d)
He
12.
The periodic table is made mostly of?
a)
Metals
b)
Gasses
c)
Non metals
13.
What does it mean if a mixture is heterogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
very well blended
d)
made of elements
14.
What type of mixture is this?
a)
heterogeneous
b)
homogeneous
15.
What type of mixture is this?
a)
heterogeneous
b)
homogeneous
16.
What type of mixture is this?
a)
heterogeneous
b)
homogeneous
17.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
18.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
19.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
20.
Which of the following an element?
a)
Carbonic Acid
b)
Copper
c)
Iron and Copper
d)
Water
21.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
22.
Brittle
a)
Metal
b)
Nonmetal
23.
Good conductor of heat
a)
Metal
b)
Nonmetal
24.
All of the following would classify an element as a metal except?
a)
Dull
b)
Luster
c)
Malleable
d)
Hard
25.
Iron is a good conductor, malleable and magnetic. What type of element is Iron?
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
26.
A student is given a sample of an unknown substance. He is asked to determine if it is classified as a metal, a metalloid, or a nonmetal. He discovered that the unknown element conducted some heat and electricity, had a shiny luster, and broke easily. This element is most likely a
a)
metal
b)
nonmetal
c)
metalloid
d)
cannot be determined
27.
Which of the following is a property of a non-metal?
a)
Conducts electricity and heats well
b)
Can be hammered into thin sheets
c)
Is brittle and breaks easily
d)
Has a shiny, metallic luster
28.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon?
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
29.
John was observing the physical properties of elements in order to classify them as either a metal, nonmetal, or metalloid. The first element was dull, brittle, and did not conduct heat. What would its classification be?
a)
metal
b)
nonmetal
c)
metalloid
30.
If a material can easily be drawn into the shape of a wire, it is
a)
Ductile
b)
Magnetic
c)
Malleable
d)
Reactive
31.
Which of the following is a compound?
a)
Co
b)
O2
c)
C
d)
CO2
32.
What carries no charge
a)
Neutrons
b)
Electrons
c)
Protons
33.
Hydrogen
a)
H
b)
Hy
c)
He
d)
Hd
34.
Helium
a)
H
b)
He
c)
Hl
d)
Hm
35.
Carbon
a)
C
b)
Ca
c)
Cb
d)
Co
36.
Nitrogen
a)
N
b)
Ni
c)
Nt
d)
Ng
37.
Oxygen
a)
O
b)
Ox
c)
Oy
d)
On
38.
Fluorine
a)
F
b)
Fl
c)
Fn
d)
Fe
39.
Sodium
a)
S
b)
So
c)
Na
d)
Au
40.
Aluminum
a)
A
b)
Al
c)
Ag
d)
Au
41.
Silicon
a)
S
b)
Si
c)
W
d)
K
42.
Sulfur
a)
S
b)
Su
c)
Si
d)
Ag
43.
Chlorine
a)
C
b)
Cl
c)
Cu
d)
Co
44.
Element or compound?
H2O
H2O
a)
element
b)
compound
45.
Element or compound?
O2
O2
a)
Element
b)
Compound
46.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
47.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
48.
What is this formula?
a)
Salt
b)
Water
c)
Sugar
d)
Carbon
49.
What formula is this?
a)
Sodium Chloride (salt)
b)
Carbon Dioxide
c)
Ozone
d)
Water
50.
C is the chemical symbol for which element that makes a diamond when pressurized at high heat.
a)
Chloride
b)
Carbon
c)
Chromium
d)
Cobalt
51.
This is the chemical formula for what?
a)
The salt on our food
b)
The sugar on our cereal
c)
The air (oxygen) that we breathe
d)
The coals in the grill
52.
This is the chemical formula for what?
a)
The salt on our food
b)
The sugar on our cereal
c)
The water in our sink
d)
The air we breathe out
53.
The central region of an atom where its neutrons and protons are is called the
a)
nucleus
b)
electron cloud
c)
core
d)
center
54.
Metals are good conductors of heat and electricity.
a)
true
b)
false
55.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
56.
A chemical symbol represents the ____ of an element.
a)
name
b)
structure
c)
reaction
d)
group
57.
Horizontal rows of the periodic table are called ____.
a)
groups
b)
families
c)
clusters
d)
periods
58.
A particle that moves around the nucleus is a(n) ____.
a)
quark
b)
proton
c)
neutron
d)
electron
59.
Elements that are gases, are brittle, and are poor conductors at room temperature are ____.
a)
isotopes
b)
nonmetals
c)
metalloids
d)
metals
60.
The periodic table is mostly comprised of what type of element?
a)
Metals
b)
Nonmetals
c)
Metalloids
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