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Understanding Elements, Compounds, and Mixtures
Passage
•
Science
•
8th Grade
•
Practice Problem
•
Medium
Standards-aligned
Divya Sharma
Used 25+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an element in chemistry?
A pure substance that cannot be broken down into simpler substances by chemical means
A substance formed when two or more elements are chemically bonded together
A combination of two or more substances that are not chemically bonded
A homogeneous mixture with uniform composition
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a compound?
Oxygen
Gold
Water
Salad
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the components of a mixture be separated?
By chemical reactions
By physical means
By breaking chemical bonds
By using the periodic table
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of a homogeneous mixture?
It has visibly different parts or phases
It has a uniform composition throughout
It is made up of only one type of atom
It can be broken down into simpler substances
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true about compounds?
They retain the individual properties of their components
They can be separated by physical means
They have unique properties different from the elements that form them
They are listed in the periodic table
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