What happens to atoms during combustion?
LS-Composition of Matter Flashcard-Expanded

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Science
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7th Grade
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Easy
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1.
FLASHCARD QUESTION
Front
Back
Atoms rearrange to form new compounds, releasing energy.
2.
FLASHCARD QUESTION
Front
What is an example of a pure substance?
Back
Gold (Au) is an example of a pure substance.
3.
FLASHCARD QUESTION
Front
What best represents an element?
Back
A single type of atom, such as sample A.
4.
FLASHCARD QUESTION
Front
What happens to atoms in a compound when baking soda and vinegar are mixed?
Back
They rearrange to form new substances.
5.
FLASHCARD QUESTION
Front
What does a model of a compound represent?
Back
A compound is made of two or more different elements chemically bonded together.
6.
FLASHCARD QUESTION
Front
What is the definition of a pure substance?
Back
A material made of only one type of particle, which can be an element or a compound.
7.
FLASHCARD QUESTION
Front
What is the difference between an element and a compound?
Back
An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded.
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