No student devices needed. Know more
10 questions
What is matter primarily made of?
Energy
Light
Heat
Atoms and molecules
What are the two categories of matter discussed?
Elements and compounds
Pure substances and mixtures
Atoms and elements
Molecules and compounds
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
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
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
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
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
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
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
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
Explore all questions with a free account