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