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Classifying Matter
Test Description: Classify the following
Instructions: Answer all questions to get your test result.
1) Tap water
A
Element
B
Pure Substance
C
Heterogeneous
D
Mixture
2) Aluminum- Al
A
Mixture
B
Nonmetal
C
Metalloid
D
Metal
3) Blood
A
Element
B
Compound
C
Heterogeneous
D
Homogeneous
4) Pizza
A
Compound
B
Heterogeneous
C
Element
D
Homogeneous
5) Boiling point is which type of property?
A
Cold
B
Intensive
C
Hot
D
Extensive
6) Iron-Fe
A
Element
B
Compound
C
Homogeneous
D
Heterogeneous
7) What two subatomic particle make up the mass in an atom?
A
Electrons and Neurtons
B
Neutrons
C
Protons and electrons
D
Protons and Neutrons
8) Two different isotopes of an element have different?
A
atomic numbers
B
number of electrons
C
number of neutrons
D
number of protons
9) An iron atom has an atomic mass of 56. Its atomic number is 26. How many neutrons does the iron atom have?
A
82
B
30
C
26
D
56
10) The charge of an atom is
A
Positive
B
Neutral
C
Unbalanced
D
Negative
11) What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons?
A
58
B
39
C
20
D
19
12) Ge is a ...
A
compound
B
Metal
C
Metalloid
D
Nonmetal
13) Acetic Acid (HC2H3O2) is a(n)
A
element
B
homogeneous
C
compound
D
heterogeneous
14) The charge on a protons is
A
Positive
B
Negative
C
Neutral
D
Unbalance
15) Salt (NaCl) and water (H2O)
A
Compound
B
Homogeneous
C
Element
D
Heterogeneous
16) A subatomic particle with a negative charge is
A
the nucleus
B
a protons
C
a neutron
D
an electron
17) A clear solution is placed on a microscope slide and allowed to evaporate. When the slide is observed from microscope blue crystals can be seen. Describe the clear solution.
A
Compound
B
Element
C
Homogeneous
D
Heterogeneous
18) Average atomic mass
A
is an average of all the isotopes
B
is a weighted average based on the how many isotopes
C
is a weighted average based on the abundance of an isotope
D
is really hard
19) Plastic (that makes up water bottles)
A
Compound
B
Heterogeneous
C
Element
D
Homogeneous
20) You can find the average atomic mass by
A
adding all the masses of the isotopes together
B
adding all the masses of the isotopes together and then dividing by the number of isotopes
C
adding the mass times the abundance of each isotope
D
adding the abundance of each isotope together
*select an answer for all questions
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