Classifying and Describing Matter Flashcard

Front

Who proposed that matter consists of indivisible particles called atoms?

Back

Democritus

Front

What is the process of separating mixtures based on boiling points called?

Back

Distillation

Front

What density will an object have to float on water?

Back

0.7 g/cm3 or less

Front

What are the correct units for measuring density?

Back

g/cm3

Front

What type of change occurs when a glass bottle shatters?

Back

Physical Change

Front

Define matter in the context of chemistry.

Back

Matter is anything that has mass and occupies space.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is the formula for calculating density?

Back

Density = Mass/Volume

Front

What is the significance of the density of a substance in terms of buoyancy?

Back

An object will float in a fluid if its density is less than that of the fluid.

Front

What is an example of a chemical change?

Back

Rusting of iron or burning of wood.