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Atoms And Bonds Test #3
Test Description: Chemistry
Instructions: Answer all questions to get your test result.
1) The 2 in H2O is known as a ____________________________.
A
coefficient
B
subscript
C
formula
D
product
2) A change that produces a new substance is called a ______________________.
A
products
B
physical change
C
chemical reaction
D
chemical change
3) Burning paper is an example of a __________________________________.
A
chemical reaction
B
chemical change
C
state change
D
physical change
4) The 2 in front of this-------2HCL is known as a ________________________.
A
reactant
B
coefficient
C
product
D
subscript
5) In chemical reactions, energy is either _______________ or _______________.
A
released or absorbed
B
released or given off
C
given off and given away
D
taken away or given off
6) Which of the following is not a characteristic of Alkali Metals?
A
1 outer electron
B
metals
C
react violently
D
7 outer electrons
7) Which of the following is not a characteristic of Halogens?
A
react violently
B
7 outer electrons
C
can be solids, liquids, or gases
D
bond easily
8) Which of the following is not a characteristic of Noble gases?
A
8 outer electrons
B
bond easily
C
gases
D
very stable
9) Blowing up a balloon is an example of a _____________________.
A
physical change
B
change in state
C
chemical change
D
chemical reaction
10) Baking a cake is an example of a ___________________.
A
chemical change
B
physical change
C
change in state
D
chemical reaction
*select an answer for all questions
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