Unit 1 Chemistry Matter and Measurment

Front

What is the formula for density?

Back

density = mass / volume

Front

If a rock has a mass of 14g and a volume of 2cm³, what is the density of the rock?

Back

7 g/cm³

Front

Which of these is not an element: Iron, Gold, Silver, Iron Oxide?

Back

Iron Oxide

Front

Crumpling paper is an example of what type of change?

Back

physical change

Front

How would you write 0.0005 in scientific notation?

Back

5 x 10⁻⁴

Front

What is matter?

Back

Anything that has mass and takes up 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 unit of density?

Back

g/cm³ or kg/m³

Front

What is the significance of significant figures in measurements?

Back

Significant figures indicate the precision of a measurement.

Front

What is the boiling point of water in Celsius?

Back

100°C