Matter, Elements, and Compounds Flashcards
7 cards from real BECE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Matter, Elements, and Compounds flashcards as text
Which state of matter has a definite volume but no definite shape?
Answer: Liquid
Liquids have a definite volume but take the shape of their container.
Which of the following is a physical property of a substance?
Answer: Boiling point
Boiling point is a physical property because it can be measured without changing the substance's chemical identity.
What term describes a pure substance made of two or more elements chemically combined in a fixed ratio?
Answer: Compound
A compound is formed when two or more elements combine chemically in a definite, fixed ratio.
Which of the following represents a chemical change?
Answer: Burning wood
Burning wood produces new substances (ash, carbon dioxide, and water vapor) with different properties.
Matter in the solid state is best characterized by:
Answer: A definite shape and definite volume
Solids have tightly packed particles that give them a fixed shape and a definite volume.
Which of the following is NOT considered matter?
Answer: Light
Light has no mass and does not occupy space, so it does not meet the definition of matter.
When liquid water evaporates to become steam, what type of change has occurred?
Answer: Physical change
Evaporation is a physical change because water molecules remain H₂O — only the state changes.