Practice Bellwork - Dec 2024

Front

What is the formula for density?

Back

Front

What is H2O classified as?

Back

H2O is a compound.

Front

How do you calculate density?

Back

Front

What is the density of an object with a mass of 6g and a volume of 2 cm³?

Back

The density is 3 g/cm³.

Front

Is the tarnishing of silver a physical or chemical change?

Back

The tarnishing of silver is a chemical change.

Front

Convert 19 mL to cm³.

Back

19 mL is equal to 19 cm³.

Front

What is the unit of density?

Back

The unit of density is typically grams per cubic centimeter (g/cm³) or grams per milliliter (g/mL).

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

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.