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Elements And Compounds
Test Description: Review of terms and concepts
Instructions: Answer all questions to get your test result.
1) Anything that has mass and occupies space
A
Matter
B
Mass
C
Molecule
D
Compound
2) Measurement of the amount of matter in an object
A
mass
B
physical
C
formula
D
density
3) Measurement of the amount of GRAVITATIONAL FORCE on an object
A
mass
B
weight
C
matter
4) I am the basic building block of all matter. Who am I?
A
the molecule
B
the atom
C
a compound
5) Char t of all elements known to exist
A
Chemical Content Table
B
Elemental Chart of chemistry
C
Periodic Table
6) When 2 or more LIKE OR UNLIKE atoms combine they form a ______
A
compound
B
element
C
molecule
7) When 2 or more UNLIKE atoms combine they form a _____
A
element Only
B
molecule Only
C
compound
8) True or False A compound is NOT a pure substance.
A
false
B
true
9) A compound is represented by a ______________ Like SO2
A
chemical equation
B
chemical formula
C
molecular formula
10) What is the ratio of atoms in the chemical formula: HO4
A
1:4
B
1:1
C
2:4
11) What unit of measurement is used to measure mass?
A
liters
B
meters
C
grams
12) What instrument is used to measure mass?
A
thermometer
B
triple beam balance
C
barometer
13) I am the 3rd most abundant gas in the air. If you run electricity through me I turn purple. Who am I?
A
carbon dioxide
B
argon
C
nitrogen
D
oxygen
14) If a model of air contains 7 oxygen molecules, how many nitrogen molecules should it have?
A
7 nitrogen molecules
B
28 nitrogen molecules
C
14 nitrogen molecules
*select an answer for all questions
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