Atoms, Molecules, And Compounds Assessment Sheet
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Date
Section 2 Assessment
STUDENT RESOURCE 2.6
ASSESSMENT SHEET
Vocabulary
Fill in each blank with a vocabulary term.
1
A(n)
is a pure substance that contains
only one type of atom. A(n)
is a pure
substance that contains more than one type of atom.
2
The smallest piece of a compound is a(n)
, and the smallest piece of an element
is a(n)
.
Which Element Is It?
3
Use the Elements and Their Atoms Student Resource to help
you identify the following element.
–
O
+ +
O
O
–
–
O
+
+
+
O
O
–
–
Molecule Model
4
Use the materials at the station to model the following
molecule. The molecule is acetic acid, which is in vinegar.
Create a key that shows which colors you used to represent
each atom.
H
O
H
H
C
C
O
H
C
H
O
2
4
2
CHEMISTRY • SECTION 2 ATOMS, MOLECULES, AND COMPOUNDS
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