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Atoms And Bonds Test #2
Test Description: Chemistry
Instructions: Answer all questions to get your test result.
1) Protons have a _____________________ charge.
A
neutral
B
positive
C
weak
D
negative
2) Neutrons have a ______________________ charge.
A
neutral
B
strong
C
negative
D
positive
3) Substances that form as a result of the reaction are called the _____________.
A
chemical reaction
B
subscripts
C
products
D
reactants
4) Balling up paper is an example of a _____________________________.
A
chemical change
B
none of the above
C
physical change
D
chemical reaction
5) A process that produces a chemical change is called a ___________________.
A
Physical Change
B
Product
C
Chemical Change
D
Chemical Reaction
6) A reaction that releases energy is called an __________________________ reaction.
A
physical
B
chemical
C
exothermic
D
endothermic
7) H2O is an example of a ______________________________________.
A
subscript
B
reaction
C
coefficient
D
chemical formula
8) A reaction that absorbs energy is called an _________________________ reaction.
A
endothermic
B
chemical
C
physical
D
exothermic
9) A change that affects only a substance’s size, shape, or whether it is a solid, liquid, or gas is called a _________________________________________.
A
physical change
B
chemical change
C
state reaction
D
chemical reaction
10) Substances that exist before the reaction begins are called the ______________.
A
chemical change
B
reactants
C
chemical reaction
D
products
*select an answer for all questions
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