
Chemical Reactions Flashcard
Flashcard
•
Science
•
7th - 8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What are the two key characteristics that groups of atoms can vary in?
Back
type, number
2.
FLASHCARD QUESTION
Front
What does the image in the box represent?
Back
repeating group of atoms
3.
FLASHCARD QUESTION
Front
What are letters and numbers that show the types and number of atoms in a substance called?
Back
chemical formula
4.
FLASHCARD QUESTION
Front
If two samples are made of the same repeating groups of atoms, what can be said about their other properties?
Back
The other properties will be the same because the repeating groups of atoms that make up the two samples are the same.
5.
FLASHCARD QUESTION
Front
What are the tiny pieces that all matter is made of?
Back
atoms
6.
FLASHCARD QUESTION
Front
What is a group of two or more atoms bonded together called?
Back
molecule
7.
FLASHCARD QUESTION
Front
What is the process called when substances combine to form new substances?
Back
chemical reaction
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