7.1 Bath Bomb
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a blend of 2 or more substances called?
Back
mixture
2.
FLASHCARD QUESTION
Front
If you start a chemical reaction with 5 atoms of helium, how many atoms will you have after?
Back
5 atoms
3.
FLASHCARD QUESTION
Front
Helium (He) is on the Periodic Table of Elements and is a type of what?
Back
atom
4.
FLASHCARD QUESTION
Front
Which gas is produced by the bath bomb in water?
Back
carbon dioxide
5.
FLASHCARD QUESTION
Front
What happens to the mass of the system when a gas is formed in a chemical reaction in an open system?
Back
mass decreases - the gas can leave the system
6.
FLASHCARD QUESTION
Front
Define 'mixture'.
Back
A combination of two or more substances that retain their individual properties.
7.
FLASHCARD QUESTION
Front
What is an atom?
Back
The smallest unit of a chemical element, consisting of a nucleus surrounded by electrons.
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