Unit 2 Test Review
Authored by Shavonne Giddins
Science
8th Grade
Used 2+ times
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48 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A series of numbers and letters that are used to represent a molecule
chemical formula
physical property
chemical property
atom
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many Al atoms are in this compound, Al2O3?
3
2
4
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The small number to the right of an elemental symbol (H2) is called?
variable
subscript
coefficient
divisor
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of carbon (C) are in C6H12O6?
24
12
6
3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is the correct formula for: 3 hydrogen (H) 1 sulfur (S) 4 oxygen (O)?
H4S3O
H3SO4
HSO4
H2O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The substances at the beginning of a chemical equation are called the _________________.
chemical symbols
products
yields
reactants
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of sulfur are in each molecule of H2SO4?
7
1
2
4
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