Matter and Their Interaction Review
Authored by Charles Martinez
Science
8th Grade
NGSS covered
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51 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The small numbers under and to the right of element symbols in a formula are called _________________.
element symbols
exponents
coefficients
subscripts
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The large numbers before a chemical formula that are used as multipliers are known as __________________.
element symbols
exponents
coefficients
subscripts
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The materials we start with in a reaction are known as __________________ and are found on the left side of a chemical equation.
chemicals
reactants
products
creations
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The materials we end with in a reaction are known as __________________ and they are found on the right side of the chemical equation.
chemicals
reactants
products
creations
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Count the atoms for each element and select the correct answer: KClO3
K = 1 Cl = 3 O = 3
K = 3 Cl = 3 O = 3
K = 1 Cl = 1 O = 3
K = 1 C = 1 l = 1 O = 3
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the coefficient in the chemical formula?
2
N
H
3
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the subscript in the formula for H?
2
N
H
3
Tags
NGSS.MS-PS1-1
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