
The Composition, Structure, and Properties of Substances
Flashcard
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the melting point?
Back
The temperature at which a solid becomes a liquid.
2.
FLASHCARD QUESTION
Front
How many atoms of oxygen are in carbon dioxide (CO₂)?
Back
2
3.
FLASHCARD QUESTION
Front
What is the atomic composition of methane?
Back
CH₄
4.
FLASHCARD QUESTION
Front
What does 'appearance' refer to in the context of substance properties?
Back
The way a substance looks, including its color, shape, size, and texture.
5.
FLASHCARD QUESTION
Front
What are butane and isobutane examples of?
Back
Molecules with the same atomic composition but different chemical structures.
6.
FLASHCARD QUESTION
Front
What is the definition of a substance?
Back
A form of matter that has a specific composition and distinct properties.
7.
FLASHCARD QUESTION
Front
What is the boiling point?
Back
The temperature at which a liquid turns into a gas.
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