What tells us the number of atoms of each element in a compound?
Topic 1B Review

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Chemistry
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Chemical Formula
2.
FLASHCARD QUESTION
Front
How many electrons does a sodium atom have?
Back
11
3.
FLASHCARD QUESTION
Front
What is the term for how quickly or slowly reactants turn into products in a chemical reaction?
Back
Reaction Rate
4.
FLASHCARD QUESTION
Front
What is atomic number?
Back
Number of protons in an atom
5.
FLASHCARD QUESTION
Front
How many atoms of carbon (C) are in C6H12O6?
Back
6
6.
FLASHCARD QUESTION
Front
What is a coefficient in a chemical equation?
Back
A number placed in front of a chemical formula to indicate the number of molecules or atoms involved.
7.
FLASHCARD QUESTION
Front
What is the role of a catalyst in a chemical reaction?
Back
A substance that increases the rate of a reaction without being consumed.
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