Compare physical changes such as size, shape and state to chemical changes that are the result of a chemical reaction to include changes in temperature, color, formation of a gas or precipitate
Explain how the idea of atoms and a balanced chemical equation support the law of conservation of mass.
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Q 1/10
Score 0
In a solution, the parts of the solution are mixed
30
chemically
physically
only in water
by electronic means
Q 2/10
Score 0
Using the diagram, what is true about matter as it changes states?
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As matter moves from gas to solid, it gains atoms as they multiply.
As matter moves from liquid to solid, atoms spread out
As matter moves from solid to gas, atoms slow down and compact.
As matter moves from solid to gas, atoms speed up and spread out.
10 questions
Q.
In a solution, the parts of the solution are mixed
1
30 sec
8.P.1.1
Q.
Using the diagram, what is true about matter as it changes states?
2
30 sec
8.P.1.1
Q.
All of the statements are true about the arrangement of elements in the periodic table EXCEPT that the
3
30 sec
8.P.1.2
Q.
A column on the periodic table is called a
4
30 sec
8.P.1.2
Q.
How are the elements in the periodic table arranged?
5
30 sec
8.P.1.2
Q.
In your lab group you combined vinegar and water and observed the results shown in the picture. Choose the evidence that supports that a chemical change has occurred.
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30 sec
8.P.1.3
Q.
What is the difference between a chemical and a physical change?
7
30 sec
8.P.1.3
Q.
What must be true for a chemical equation to be balanced?
8
30 sec
8.P.1.4
Q.
In this picture, which box on the right is correct according to the Law of Conservation of Mass?
9
30 sec
8.P.1.4
Q.
What is the difference between an element and a compound?
