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WorksheetsMixtures Elements Compounds
Total questions: 35
Worksheet time: 16mins
Name
Class
Date
1.
Instant coffee that is placed in hot water is an example of:
a)
element
b)
solute
c)
mixture of solids
2.
Water is an example of:
a)
compound
b)
element
c)
solution
3.
All _________ are either metals, metalloids, or nonmetals.
a)
metals
b)
metalloids
c)
elements
4.
Elements with properties of metals and nonmetals are ___________.
a)
metals
b)
nonmetals
c)
metalloids
5.
Which of the following substances is a compound?
a)
oxygen
b)
salt
c)
helium
6.
Cereal (lucky charms) is a ____ mixture.
a)
homogeneous
b)
heterogeneous
7.
Salt water (mixed together) is a ____ mixture.
a)
homogeneous
b)
heterogeneous
8.
Sugar water is a
a)
solution
b)
suspension
c)
colloid
9.
An aluminum pie plate is an example of a(n)
a)
mixture
b)
compound
c)
element
10.
CARBON
a)
C
b)
Ca
c)
Cl
d)
Cu
11.
SODIUM
a)
S
b)
So
c)
N
d)
Na
12.
HYDROGEN
a)
H
b)
He
c)
Hy
d)
Hd
13.
What is the charge of a proton?
a)
neutral
b)
negative
c)
positive
d)
no charge
14.
Where in the atom are neutrons found?
a)
the outer energy levels
b)
the first energy level
c)
the center
d)
they move in and out of the center
15.
Another term for the rows of the periodic table
a)
groups
b)
periods
c)
compartments
16.
What is the number of protons in an atom's nucleus?
a)
the atomic mass
b)
the atomic number
c)
the chemical sysmbol
d)
the valence number
17.
How can you determine the number of electrons an atom of an element has on the outer-most shell?
a)
By looking at which group the element is in.
b)
By adding the protons plus the neutrons
c)
By looking at the period the element is in.
d)
by subtracting the atomic number from the atomic mass
18.
What is another term for the columns on the periodic table?
a)
groups
b)
periods
c)
compartments
19.
Metals are good conductors of heat and electricity.
a)
true
b)
false
20.
What is He?
a)
Holmium
b)
Helium
c)
Barium
d)
Cesium
21.
which one can be found on the periodic table
a)
Compound
b)
Element
22.
Elements that are shiny and conduct heat and electric current are___________.
a)
nonmetals
b)
metalloids
c)
metals
23.
Elements that are shiny and conduct heat and electric current are___________.
a)
nonmetals
b)
metalloids
c)
metals
24.
How many shells does Argon have if it has the atomic number of 18
a)
1
b)
2
c)
3
d)
4
25.
What family has 7 electrons in the outer most shell
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
nobel gases
26.
the ability to be stretched into thin wire relates to which of the below terms
a)
maleable
b)
luster
c)
ductile
d)
metallic
27.
What is the mass of an electron
a)
1 AMU
b)
1/1836 AMU
c)
5 AMU
d)
10 AMU
28.
What is the mass of an electron
a)
1 AMU
b)
1/1836 AMU
c)
5 AMU
d)
10 AMU
29.
What is the only sub-atomic particle held outside the nucleus
a)
proton
b)
neutron
c)
electron
d)
quark
30.
what is a solution called that can hold no more solute
a)
solvent
b)
super solvent
c)
saturated
d)
super saturated
31.
What is the electron configuration of sodium if it has the atomic number of 11
a)
2-8
b)
2-8-2
c)
2-8-1
d)
2-8-3
32.
what is the electron configuration of chlorine if it has the atomic number of 17
a)
2-8-4
b)
8-2-7
c)
2-8-7
d)
2-8-8
33.
which of the below choices is in period number 3
a)
H
b)
Li
c)
Be
d)
Na
34.
Which family has 5 electrons in the outer most shell
a)
Boron Famly
b)
Carbon Family
c)
Nitrogen Family
d)
Oxygen Family
35.
Most of the periodic table is
a)
Non Metals
b)
Metals
c)
Metalloids
d)
Poor conductors
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