Online Assessment-Elements or
Compounds
Instructions
1) Type in your first
and last name in the “Name” box in the top-left corner.
2) Next type in your
teacher’s name in the “ID” box.
3) Then type in your school’s full
name in the “Email” box.
4) Select the best answer for each question.
5)
When you are finished click the “Grade and Submit” button.
6) The grade
will be emailed to your teacher.
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1.
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NOTE: If your teacher’s last
name is Elliott, then you are doing the wrong assessment.
---This assessment is only for
students of other teachers.
---If your teacher is Mr. Elliott, then please go back to the
website and click on the first assessment link instead. Thanks!
SPI 0807.9.3 (Elements or Compounds)
A student is classifying the two substances shown below based on their chemical
formulas/chemical symbols.
Which choice below correctly classifies these
substances?
a. | H2O is a compound
and O is an element. | b. | Both H2O and O are
elements. | c. | Both H2O and O are compounds. | d. | H2O
is an element and O is a
compound. |
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SPI 0807.9.3 (Elements or
Compounds)
Which substance is classified as an element?
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3.
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SPI 0807.9.3 (Elements or
Compounds)
Which of the following choices includes exactly one compound and one
element?
a. | Cu and AgNO3 | c. | K and Ne | b. | NaCl and CaCl2 | d. | Ti and Fe |
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4.
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SPI 0807.9.3 (Elements or
Compounds)
Identify the
differences between an element and a compound.
a. | Element: is a single type of nuclear
particle.
Compound: is a molecule and an
electron chemically combined. | b. | Element:
two or more atoms that are chemically combined.
Compound: two or more different atoms chemically
combined. | c. | Element :
the same as a compound.
Compound: is
the result of a nuclear reaction. | d. | Element: is a pure substance that is single type of
atom.
Compound: two or more different elements
chemically combined. |
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5.
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SPI 0807.9.3 (Elements or
Compounds)
Four different compounds are shown below.
Which element is included in three of
the four compounds shown above?
a. | carbon | b. | lithium | c. | chlorine | d. | oxygen |
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6.
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SPI 0807.9.3 (Elements or
Compounds)
Which option below contains only elements?
a. | H2O, H2O2,
H3O, CO2 | c. | Na, NaCl, Pb,
C6H12O6 | b. | NH3, KNO3, Hg,
Ne | d. | He, F, Co, Fe,
Ti |
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7.
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SPI 0807.9.3 (Elements or
Compounds)
Which of the following choices is a compound?
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8.
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SPI 0807.9.3 (Elements or
Compounds)
Which of these is a compound?
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9.
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SPI 0807.9.3 (Elements or
Compounds)
Which of these
is an element and not a
compound?
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10.
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SPI 0807.9.3 (Elements or Compounds)
Examine the chemicals displayed below.
Two-Part Question
a) Identify the number of compounds displayed
above.
b) Identify the two elements that are found in two different compounds shown above.
a. | a) Two compounds
b) Helium (He) and carbon (C) | b. | a) Only one compound
b) chlorine (Cl)
and hydrogen (H) | c. | a) Four
compounds
b) Oxygen (O) and hydrogen
(H) | d. | a) Three compounds
b) hydrogen (H) and chlorine (Cl) |
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