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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
Mass
B
Matter
C
Compound
D
Molecule
2) Measurement of the amount of matter in an object
A
physical
B
density
C
formula
D
mass
3) Measurement of the amount of GRAVITATIONAL FORCE on an object
A
weight
B
mass
C
matter
4) I am the basic building block of all matter. Who am I?
A
the atom
B
the molecule
C
a compound
5) Char t of all elements known to exist
A
Chemical Content Table
B
Periodic Table
C
Elemental Chart of chemistry
6) When 2 or more LIKE OR UNLIKE atoms combine they form a ______
A
element
B
compound
C
molecule
7) When 2 or more UNLIKE atoms combine they form a _____
A
element Only
B
compound
C
molecule Only
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 formula
B
molecular formula
C
chemical equation
10) What is the ratio of atoms in the chemical formula: HO4
A
1:1
B
2:4
C
1:4
11) What unit of measurement is used to measure mass?
A
liters
B
grams
C
meters
12) What instrument is used to measure mass?
A
triple beam balance
B
thermometer
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
oxygen
B
carbon dioxide
C
nitrogen
D
argon
14) If a model of air contains 7 oxygen molecules, how many nitrogen molecules should it have?
A
28 nitrogen molecules
B
7 nitrogen molecules
C
14 nitrogen molecules
*select an answer for all questions
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