Pure Substance: Elements and Compounds
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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22 questions
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1.
FLASHCARD QUESTION
Front
Which of the following is not a pure substance? Water, 24-Karat Gold Jewelry, Salt, lemon juice drinks
Back
lemon juice drinks
2.
FLASHCARD QUESTION
Front
Which of the following is not an element? Options: water, carbon, gold, chlorine
Back
water
3.
FLASHCARD QUESTION
Front
Matter is defined as anything that _____________.
Back
has mass and occupies space
Tags
NGSS.MS-PS1-5
4.
FLASHCARD QUESTION
Front
Which of the following does not describe elements?
- all the particles are alike
- cannot be broken down into simpler substances
- have unique sets of properties
- can join together to form compounds
Back
all the particles are alike
5.
FLASHCARD QUESTION
Front
Which of the following is the best statement about molecules?
Back
Molecules are particles of compounds, and consist of two or more atoms joined together.
Tags
NGSS.MS-PS1-1
6.
FLASHCARD QUESTION
Front
A pure substance made of two or more elements that are chemically combined is called a _______.
Back
compound
Tags
NGSS.MS-PS1-5
7.
FLASHCARD QUESTION
Front
Which of the following lists contain pure elements?
Back
sodium, nitrogen, oxygen
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