Element, Compounds, Mixtures
Flashcard
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an element?
Back
An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.
2.
FLASHCARD QUESTION
Front
What is a compound?
Back
A compound is a substance formed when two or more different elements are chemically bonded together. Compounds can be broken down into simpler substances by chemical reactions.
3.
FLASHCARD QUESTION
Front
What is a mixture?
Back
A mixture is a combination of two or more substances that are not chemically bonded. The individual substances retain their own properties.
4.
FLASHCARD QUESTION
Front
What is the difference between elements and compounds?
Back
Elements contain only one kind of atom, while compounds contain two or more different kinds of atoms.
5.
FLASHCARD QUESTION
Front
Can elements be separated by physical means?
Back
No, elements cannot be separated by physical means.
6.
FLASHCARD QUESTION
Front
Can compounds be separated by physical means?
Back
No, compounds cannot be separated by physical means; they can only be separated by chemical reactions.
7.
FLASHCARD QUESTION
Front
What is an example of an element?
Back
Gold (Au) is an example of an element.
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