AnswersFL-2003350-Chemistry 1 HonorsLab: Types of Reactions

Lab: Types of Reactions Answers

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1
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Which of the following happens during a chemical change? Check all of the boxes that apply.

A
One atom or more changes into atoms of another element.
B
New substances with different properties are formed.
C
Solids, liquids, or gases may form.
D
Reaction mixtures always give off some heat.
E
Reaction mixtures always need to be heated.
2
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The symbol for hydrogen is

A
H.
B
He.
C
Ho.
3

The symbol for nitrogen is

A
Ni.
B
Nd.
C
N.
4

The symbol for iron is

A
I.
B
Ir.
C
Fe.
5

The symbol for copper is

A
C.
B
Co.
C
Cu.

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