What is a substance?
Amplify Chemical Reactions Ch. 1

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Science
•
6th - 8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A substance is something that is made of all the same atoms or groups of atoms.
2.
FLASHCARD QUESTION
Front
What are molecules?
Back
Molecules are groups of atoms joined together in a particular way.
3.
FLASHCARD QUESTION
Front
What are atoms?
Back
Atoms are the basic building blocks of all matter; they make up everything in the world.
4.
FLASHCARD QUESTION
Front
How many hydrogen atoms are in one molecule of water (H2O)?
Back
There are 2 hydrogen atoms in one molecule of water.
5.
FLASHCARD QUESTION
Front
Do substances with different repeating groups of atoms have different properties?
Back
Yes, substances with different repeating groups of atoms will have different properties.
6.
FLASHCARD QUESTION
Front
What is the definition of a chemical reaction?
Back
A chemical reaction is a process where substances (reactants) are transformed into different substances (products).
7.
FLASHCARD QUESTION
Front
What is a reactant?
Back
A reactant is a substance that undergoes change during a chemical reaction.
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