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WorksheetsChemistry Test 1
Total questions: 37
Worksheet time: 20mins
Name
Class
Date
1.
What are the two types of mixtures?
a)
Heterogeneous and homogeneous
b)
there are not two types
c)
solids and liquids
2.
The substances in a ___________ mixture can usually be seen and are easily separated.
a)
Simple
b)
Homogenous
c)
heterogenous
d)
compound
3.
What is a compound?
a)
a substance made of at least two atoms of a single element
b)
a substance made of at least two elements that are chemically combined in a set ratio
c)
a material made of at least two substances that are not chemically bonded to one another
d)
a material made of at least two elements that are not chemically bonded and can be mixed in any ratio
4.
Which is an example of a compound?
a)
H
b)
Cl
c)
Salt and water
d)
Water H20
5.
Where are nonmetals located on the periodic table?
a)
All over
b)
The left side
c)
The Middle
d)
The Right side
6.
The number of protons in an atom is equal to the _________________.
a)
Atomic Number
b)
Atomic Mass
c)
Protons + Neutrons
d)
Nuetrons
7.
What number do you look at, on the periodic table, to determine a number of electrons in an atom?
a)
Atomic Number
b)
Atomic Mass
c)
Protons + Neutrons
d)
Nuetrons
8.
What are the correct charges of the atomic particles?
a)
Protons(+) Electons(neutral) Neutrons(-)
b)
Protons(+) Electons(+) Neutrons (-)
c)
Protons(-) Electons(+) Neutrons(neutral)
d)
Protons(+) Electons(-) Neutrons(neutral)
9.
Where do you find groups/Families on the periodic table?
a)
Rows
b)
Top
c)
Columns
d)
Bottom
10.
Where do you find periods on the periodic table?
a)
Rows
b)
Top
c)
Columns
d)
Bottom
11.
What happens to the atomic number as you read across the periodic table left to right?
a)
Atomic number doubles
b)
Atomic numbers do not change
c)
Atomic number increases
d)
Atomic Number Decreases
12.
What is the formula for determining the atomic mass of an element?
a)
atomic mass= Protons
b)
atomic mass= protons + neutrons
c)
atomic mass= Neutrons + electrons
d)
atomic mass= electrons + protons
13.
What similarities do elements from the same column of the periodic table have?
a)
The elements are the same size.
b)
The elements have the same atomic mass.
c)
The elements have the same number of protons.
d)
The elements have similar chemical properties
14.
The image is a __________
a)
element
b)
compound
c)
Heterogeneous mixture
d)
homogeneous mixture
15.
The image is a __________
a)
element
b)
compound
c)
Heterogeneous mixture
d)
homogeneous mixture
16.
The image is a __________
a)
element
b)
compound
c)
Heterogeneous mixture
d)
homogenous mixture
17.
The image is a __________
a)
element
b)
compound
c)
mixture
d)
pure substance
18.
What category does this property fit
Good conductors
Good conductors
a)
Metals
b)
nonmetals
c)
metalloids
19.
What category does this property fit
luster
luster
a)
Metals
b)
nonmetals
c)
metalloids
20.
What category does this property fit
brittle
brittle
a)
Metals
b)
nonmetals
c)
metalloids
21.
What category does this property fit
semiconductors
semiconductors
a)
Metals
b)
nonmetals
c)
metalloids
22.
What category does this property fit
malleable
malleable
a)
Metals
b)
nonmetals
c)
metalloids
23.
What are the two branches of matter?
a)
Mixture and compounds
b)
Pure substances mixtures
c)
elements and compounds
d)
Pure substances and elements
24.
What are the two types of Pure substances?
a)
Mixture and compounds
b)
Pure substances mixtures
c)
elements and compounds
d)
Pure substances and elements
25.
What is another name for a homogeneous mixture?
a)
Suspension
b)
colloids
c)
Solution
d)
Matter
26.
What type of mixture can you see the different parts?
a)
Heterogeneous
b)
Homogeneous
27.
What type of mixture look the same?
a)
Heterogeneous
b)
Homogeneous
28.
The symbol for an element can be found on the __________________.
a)
The board
b)
The Periodic Table of Elements
c)
Ms. Doyles Desk
d)
Your textbook
29.
A ___________________ has a definite composition that will not vary (element or compound)
a)
Matter
b)
Chemicals
c)
Pure Substance
d)
Solids
30.
A _____________________ is a combination of many different elements not chemically combined.
a)
Pure Substance
b)
Mixture
c)
Compound
d)
Element
31.
_______________ is everything around us that has mass and takes up space.
a)
Matter
b)
Compound
c)
Element
d)
Pure Substance
32.
Which of the following is a mixture?
a)
FeS
b)
Chex Mix
c)
Au- Gold
d)
O- Oxygen
33.
Which of the following is an element?
a)
CO
b)
H2O
c)
CO2
d)
H2
34.
How many protons are in Beryllium?
a)
4
b)
9
c)
5
d)
2
35.
Most of the elements on the periodic table are classified as "metal".
a)
True
b)
False
36.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
37.
All matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
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