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