1
Q
How does a chemical equation show that a chemical reaction took place?
A
A new product is formed
(this can only be done through a chemical reaction)
2
Q
What do subscripts indicate about an element?
A
How much of that element is present
(before balancing)
3
Q
What does the Law of Conservation of Mass state about chemical equations
A
No matter can be created or destroyed, so chemical reactions will always have the same amount of elements on both sides
CCS Science 9 Flashcards
flashcards
Decks in class (24)
# Cards
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Unit A | Topic 1-2 | Biodiversity, Characterizations of living things, Niches23
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Unit A | Topic 3 | Reproduction24
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Unit A | Topic 4 | Genes and Alleles18
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Unit A | Topic 5 | DNA30
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Unit A | Topic 6 | Artificial selection and biotechnology11
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Unit A | Topic 7 | Extinction and ecological footprints16
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Unit A | Topic 8 | Biodiversity conservation11
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Unit B | Topic 1 | Hazard symbols / Exploring matter38
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Unit B | Topic 2 | Changes in matter and Properties of matter28
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Unit B | Topic 3 | Atoms / Laws, theories, observations39
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Unit B | Topic 4-5 | The periodic table22
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Unit B | Topic 6 | Chemical Compounds16
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Unit B | Topic 7 | Chemical equations3
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Unit B | Topic 8 | Reaction rate9
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Unit C | Topic 1.1-1.4 | Electrical Principles and Technology39
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Unit C | Topic 2.1-2.3 | Circuits and schematics27
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Unit C | Topic 3.1-3.3 | Motors and energy31
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Unit C | Topic 4 | Electricity and the environment7
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Unit D | Topic 1 | Nutrients17
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Unit D | Topic 2-5 | Pollution and pH72
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Unit E | Topic 1.1-1.5 | Basics of space41
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Unit E | Topic 2.1 - 2.2 | arriving and living in space32
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Unit E | Topic 3.1-3.2 | Telescopes, spectrum's, and parallax14
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Unit E | Topic 4.1-4.2 | Canadian contribution and issues with space exploration4
