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- 1. Multiple Choice
What is matter primarily made of?
Energy
Light
Heat
Atoms and molecules
- 2. Multiple Choice
What are the two categories of matter discussed?
Elements and compounds
Pure substances and mixtures
Atoms and elements
Molecules and compounds
- 3. Multiple Choice
What is an element?
A compound of atoms
A type of molecule
A mixture of different atoms
A pure substance consisting of one type of atom
- 4. Multiple Choice
What defines a compound?
A pure substance made of two or more types of atoms chemically bonded
A mixture of elements
A homogeneous mixture
A single type of atom
- 5. Multiple Choice
What is a homogeneous mixture?
A pure substance with unique physical properties
A mixture where components are not evenly distributed
An element from the periodic table
A mixture where components are evenly distributed
- 6. Multiple Choice
What is a heterogeneous mixture?
An element with different types of atoms
A mixture with visibly different phases or parts
A pure compound
A mixture with a single visible phase
- 7. Multiple Choice
What physical properties do pure substances have?
No unique physical properties
Variable density based on composition
Unique boiling points, melting points, and density
Random boiling and melting points
- 8. Multiple Choice
Can mixtures be physically separated?
Yes, but only if they are compounds
No, they are homogeneous
Yes, through filtration or other physical methods
No, they require chemical reactions
- 9. Multiple Choice
What is the main characteristic of elements?
They can be found on the periodic table as a single type of atom
They are compounds with chemical bonds
They consist of multiple types of atoms
They are always mixtures
- 10. Multiple Choice
What distinguishes a compound from a mixture?
Mixtures consist of one type of molecule
Compounds consist of chemically bonded atoms of different types
Mixtures have unique physical properties
Compounds can be physically separated
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