Changes in Matter Review GN
Flashcard
•
Science
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What are reactants in a chemical reaction?
Back
Reactants are the molecules and atoms that we start with in a chemical reaction.
2.
FLASHCARD QUESTION
Front
In an ionic bond, what does the metal want to do with electrons?
Back
The metal wants to lose electrons.
3.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction; the total mass of reactants equals the total mass of products.
4.
FLASHCARD QUESTION
Front
If a reaction starts with 20g of reactants, what should the total mass of the products be?
Back
The total mass of the products should be 20g.
5.
FLASHCARD QUESTION
Front
What is the smallest unit of an element?
Back
The smallest unit of an element is an atom.
6.
FLASHCARD QUESTION
Front
What is a molecule?
Back
A molecule is a group of two or more atoms bonded together.
7.
FLASHCARD QUESTION
Front
What is a compound?
Back
A compound is a substance formed when two or more different elements are chemically bonded together.
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