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WorksheetsElements, Compounds, Molecules, Mixtures
Total questions: 98
Worksheet time: 1hrs 29mins
Name
Class
Date
1.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
2.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
3.
an atom with atomic number 6 would have how many protons
a)
6
b)
12
c)
3
d)
cannot be determined
4.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
5.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
6.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
7.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
8.
The symbol for Carbon is
a)
6
b)
12.011
c)
C
d)
Ca
9.
Beryllium has how many protons?
a)
4
b)
9.0122
c)
2
d)
13.0122
10.
What are the 3 subatomic particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
11.
Molecules are
a)
2 atoms bound together
b)
2 elements bound together
c)
2 or more atoms mixed together
d)
2 or more atoms bound together
12.
Matter is
a)
everything that has density
b)
everything made of atoms
c)
elements
d)
anything that has mass and takes up space
13.
An element is made of
a)
Many types of atoms
b)
the Periodic Table
c)
One type of Atom
d)
Molecules
14.
which one only has one type of atom In it.
a)
Element
b)
compound
15.
Which of the follow is NOT true?
a)
Atoms and elements are the same thing.
b)
An element is categorized by the number of protons in the nucleus.
c)
An element's atomic number is the same as the number of protons in an atom of that element.
d)
Elements can gain or lose electrons from their outer shell.
16.
True or false: Elements are smaller than atoms?
a)
True
b)
False
17.
True or false: An element can have atoms with different numbers of protons?
a)
True
b)
False
18.
Which has the building blocks in the correct order, largest to smallest?
a)
Electron, element, atom, nucleus, proton, neutron,
b)
Element, atom, nucleus, electron, proton, neutron, electron
c)
Atom, electron, nucleus, element, proton
d)
Element, atom, nucleus, neutron, proton, electron
19.
If you see the symbols of two elements written side by side then it is an example of a ________________________ .
a)
compound
b)
electron
c)
neutron
d)
molecule
20.
Water consists of molecules that each have two atoms of hydrogen and one atom of oxygen. Water is considered a/an ____________________ .
a)
element
b)
atom
c)
compound
21.
What is the tiniest particle in the entire universe?
a)
cells
b)
gases
c)
atoms
d)
liquids
22.
What is the name of a single type of atom?
a)
cell
b)
proton
c)
element
d)
atom
23.
What is the term for combining 2 or more atoms together?
a)
atoms
b)
elements
c)
molecules
d)
compounds
24.
What is the picture displayed?
a)
atom
b)
element
c)
molecule/compound
d)
cells
25.
What is the picture displayed?
a)
atom
b)
element and molecule
c)
cells
d)
compound
26.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
27.
an atom with atomic number 6 would have how many protons
a)
6
b)
12
c)
3
d)
cannot be determined
28.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
29.
Beryllium has how many protons?
a)
4
b)
9.0122
c)
2
d)
13.0122
30.
What are the 3 subatomic particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
31.
If you see the symbols of two elements written side by side then it is an example of a ________________________ .
a)
compound
b)
electron
c)
neutron
d)
molecule
32.
An element is made of
a)
Many types of atoms
b)
the Periodic Table
c)
One type of Atom
d)
Molecules
33.
Water consists of molecules that each have two atoms of hydrogen and one atom of oxygen. Water is considered a/an ____________________ .
a)
element
b)
atom
c)
compound
34.
Where are most metals on the periodic table?
a)
On the left
b)
On the right
c)
In the middle
d)
On the left and in the middle
35.
Using the element key for nitrogen, determine the atomic mass.
a)
7
b)
7.01
c)
14.007
d)
21.01
36.
Hydrogen is a pure substance represented by the chemical symbol H. Which of the following best describes hydrogen?
a)
Hydrogen is an element made of two or more kinds of atoms.
b)
Hydrogen is a compound made of only one kind of atom.
c)
Hydrogen is a compound made of two or more kinds of atoms.
d)
Hydrogen is an element made of only one kind of atom.
37.
What defines a mixture?
a)
described by a chemical formula
b)
can be broken down into its basic substances through physical means
c)
created through a chemical reaction
d)
cannot be broken down into simpler substances
38.
Carbon dioxide is formed when two oxygen atoms chemically combine with a carbon atom. Which term best describes carbon dioxide?
a)
atom
b)
mixture
c)
element
d)
compound
39.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
40.
How many elements are in HHe
a)
3
b)
4
c)
2
d)
5
41.
An example of matter made of only one element is
a)
water
b)
gold bar
c)
light bulb
d)
salad mixture
42.
Molecules are
a)
2 atoms bound together
b)
2 elements bound together
c)
2 or more atoms mixed together
d)
2 or more atoms bound together
43.
When __________ form, the elements lose there individual chemical properties and take on new properties.
a)
compounds
b)
atoms
c)
subscript
d)
formula
44.
A pure substance that contains two or more elements that are chemically bonded is:
a)
an atom
b)
a compound
c)
an ionic bond
d)
organic
45.
How many elements are in glucose?
C6H12O6
C6H12O6
a)
5
b)
3
c)
5
d)
12
46.
Explain the difference between an elements and a compound. Find an examples of an element and a compound.
a)
A pure substance that is composed of a single type of atom. Examples are silver, nitrogen, gold, silver and others on the periodic table of elements.
A compound is a pure substance composed of two or more different elements bonded together. H2O, NaCl ( table salt), CO2 (carbon dioxide)
A compound is a pure substance composed of two or more different elements bonded together. H2O, NaCl ( table salt), CO2 (carbon dioxide)
b)
A pure substance that is composed of a single type of atom. Examples are water, carbon dioxide, table salt and others on the periodic table of elements.
A compound is a pure substance composed of two or more different elements bonded together. H2O, NaCl ( table salt), CO2 (carbon dioxide)
A compound is a pure substance composed of two or more different elements bonded together. H2O, NaCl ( table salt), CO2 (carbon dioxide)
c)
A pure substance that is composed of a single type of atom. Examples are silver, nitrogen, gold, silver and others on the periodic table of elements.
A compound is a pure substance composed of two or more different elements bonded together. Hydrogen, Oxygen, Carbon and silver.
A compound is a pure substance composed of two or more different elements bonded together. Hydrogen, Oxygen, Carbon and silver.
d)
A mixed substance substance that is composed of a single type of atom. Examples are silver, nitrogen, gold, silver and others on the periodic table of elements.
A compound is a pure substance composed of two or more different elements bonded together. H2O, NaCl ( table salt), CO2 (carbon dioxide)
A compound is a pure substance composed of two or more different elements bonded together. H2O, NaCl ( table salt), CO2 (carbon dioxide)
47.
How many atoms are in glucose?
C6H12O6
C6H12O6
a)
18
b)
24
c)
12
d)
6
48.
Water is composed of hydrogen molecules and an oxygen molecule. Which makes this formula a ....
a)
molecule and atoms
b)
compound and atom
c)
molecule and compound
d)
compound only
49.
What is a mixture?
a)
elements chemically combined
b)
a combination of different things
c)
it is found on the Periodic Table
d)
it is made of chemical
50.
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
51.
What does it mean if a mixture is homogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
chunks of particles
d)
made of elements
52.
What type of mixture is this?
a)
heterogeneous
b)
homogeneous
53.
What type of mixture is this?
a)
heterogeneous
b)
homogeneous
54.
What type of mixture is this?
a)
heterogeneous
b)
homogeneous
55.
What type of mixture is this?
a)
heterogeneous
b)
homogeneous
56.
To separate the sugar and lemonade what method should you use?
a)
filtration
b)
sorting
c)
magnet
d)
boiling
57.
To separate trail mix what method should you use?
a)
filtration
b)
sorting
c)
magnet
d)
boiling
58.
To separate iron filings and sulfur what method should you use?
a)
filtration
b)
sorting
c)
magnet
d)
boiling
59.
To separate noodles from water what method should you use?
a)
filtration with a strainer
b)
boiling while it is cooking
c)
magnet for the noodles
60.
What is the measure of how much a substance dissolves in a given volume?
a)
atom
b)
element
c)
solububble
d)
solubility
61.
Which mixture separation method uses a net?
a)
filtration
b)
magnet
c)
boiling/evaporation
d)
sorting physically
62.
Which mixture separation method would work with picking up nails?
a)
filtration
b)
magnet
c)
boiling/evaporation
d)
sorting physically
63.
Which mixture separation method would use to separate sugar from water?
a)
filtration
b)
magnet
c)
boiling/evaporation
d)
sorting physically
64.
Which mixture separation method would use to sort trail mix?
a)
filtration
b)
magnet
c)
boiling/evaporation
d)
sorting physically
65.
Elements and compounds are always ___.
a)
pure
b)
mixed
66.
Elements and compounds are always ___.
a)
pure
b)
mixed
67.
Mixtures are always ___.
a)
pure
b)
mixed
68.
Which list is made of mixtures?
a)
soil, water, soup
b)
carbon dioxide, soil, soup
c)
salt, water, air
d)
atoms, cereal, pizza
69.
What happens when you mix dirt and water?
a)
The dirt will float on top of the water.
b)
The dirt will settle to the bottom.
c)
The dirt will dissolve.
d)
The water will begin to bubble.
70.
A combination of pure substances, not in fixed amounts, that can be easily separated.is a
a)
MIXTURE
b)
COMPOUND
c)
ATOM
d)
PARTICLE
71.
This is a mixture of two or more substances in which one or more of these substances (solutes) is dissolved in another substance.
a)
COMPOUND
b)
MOLECULE
c)
SOLUTION
d)
SOLVENT
72.
This is similar to a solution, but the particles that are in it are able to be seen by the naked eye.
a)
compound
b)
suspension
c)
catalyst
d)
solution
73.
This is a type of mixture in which one substance is split up into tiny particles and spread throughout another substance.
a)
solubility
b)
colloid
c)
solute
d)
solvent
74.
What are the two types of Mixtures
a)
Elements and Subatomic Particles
b)
Protons and Electrons
c)
Atoms and Compounds
d)
Homogenous and Heterogeneous
75.
One specific type of homogeneous mixture is
a)
An atom
b)
An element
c)
A solution
d)
A compound
76.
Cookies and cream ice cream would be classified as
a)
A homogenous mixture
b)
A heterogenous mixture
c)
An element
d)
A compound
77.
Two substances physically combined and that appears the same throughout is classified as
a)
A homogeneous mixture
b)
A heterogeneous mixture
c)
An element
d)
A compound
78.
Two elements chemically combined defines
a)
A homogeneous mixture
b)
A heterogeneous mixture
c)
An element
d)
A compound
79.
Type of mixture that has the SAME COMPOSITION in every part.
a)
Homogenous
b)
Heterogeneous
80.
Dishwasher soap is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
81.
Based on THE DISTRIBUTION OF ITS COMPONENTS, we can divide mixtures in
a)
Homogeneous and Heterogeneous mixtures
b)
Pure substances and Mixtures
82.
Is blood a mixture?
a)
No
b)
Yes
83.
The air around was is a mixture of gases.
a)
True
b)
False
84.
Sand and clay is an example of a mixture of solids.
a)
True
b)
False
85.
mixture in which the composition is not uniform throughout
a)
homogeneous mixture
b)
heterogeneous mixture
86.
If a spoonful of sugar is mixed in a glass of water, what is the water called?
a)
solute
b)
solution
c)
solvent
d)
element
87.
Sugar water is a
a)
solution
b)
suspension
c)
colloid
88.
Milk is a
a)
solution
b)
suspension
c)
colloid
89.
Italian dressing is a
a)
solution
b)
suspension
c)
colloid
90.
21. Italian dressing
a)
A. SOLUTION
b)
B. SUSPENSION
c)
C. COLLOID
91.
What type of mixture separates upon standing?
a)
Solution
b)
Alloy
c)
Colloid
d)
Suspension
92.
Which are different types of mixtures
a)
suspension
b)
solution
c)
colloid
d)
all the above
93.
A colloid is a mixture that contains undissolved particles.
a)
True
b)
False
94.
A mixture of one substance dissolved in another so that the properties are the same is what type of mixture?
a)
colloid
b)
alloy
c)
emulsion
d)
solution
95.
A mixture made of parts that separate upon standing is what type of mixture?
a)
suspension
b)
solution
c)
alloy
d)
colloid
96.
mixture of two or more substances; dissolved particles are spread evenly throughout the mixture
a)
solvent
b)
solute
c)
mixture
d)
solution
97.
type of mixture that doesn't separate on its own but still contains undissolved particles
a)
solution
b)
colloid
c)
suspension
98.
If we are making Kool-aid with sugar, Kool-aid powder, and water, which part is the solvent?
a)
water
b)
powder
c)
sugar
d)
powder and sugar
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