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Year 8 Chemistry Revision Flashcards | StudBud
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Year 8 Chemistry Revision
Year 8 Chemistry Revision
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Chemistry review 8th grade
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
What is the purest and most simple form of all matter?
element
gas
solution
compound
2
Diamond ( only has carbon) is an example of a(n)
mixture
element
compound
3
Sugar and water is an example of a...
Element
Mixture
Compound
Molecule
4
What elements are in the molecule C
2
H
6
?
Calcium and Hydrogen
Carbon and Helium
Calcium and Helium
Carbon and Hydrogen
5
Ice melting is an example of a...
physical change
chemical change
6
How are elements in the periodic table organized?
Increasing number of electrons
Based on physical and chemical properties
Most reactive to least reactive
Alphabetically
7
Gold (Au) is an example of a(n)
element
mixture
compound
8
Milk is an example of a(n)
element
mixture
compound
9
Where are groups in the periodic table?
Vertical columns
Bottom half
Horizontal rows
Top half
10
Sulfuric Acid (H2SO4) is an example of a(n)
compound
mixture
element
11
The rows on the periodic table.
alleys
columns
periods
12
The Law of Conservation of Mass states:
Matter can not be created but it can be destroyed.
matter can be created and destroyed.
Matter is not real.
Matter cannot be created and it cannot be destroyed.
13
Sugar (C6H12O6) is an example of a(n)
compound
mixture
element
14
Substance that is made by the chemical combination of two or more elements.
Molecule
Solution
Atom
Compound
15
Burnt toast is an example of a.....
chemical change
physical change