Semester 1 Review

Front

What is the total number of POTASSIUM atoms in the formula K8?

Back

8

Front

What is the formula for calculating speed?

Back

speed = distance ➗ time

Front

If a car travels 400 m in 20 seconds, what is its speed?

Back

20 m/s

Front

What do coefficients in chemical formulas do?

Back

Multiply EVERYTHING!

Front

What is the term for the formation of a solid when two liquids combine?

Back

Precipitate

Front

What is the definition of a chemical formula?

Back

A representation of a substance using symbols for its constituent elements.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of substances that retain their individual properties, while a compound is a substance formed when two or more elements chemically bond.

Front

What is the unit of speed in the metric system?

Back

Meters per second (m/s)

Front

What is the definition of a precipitate in chemistry?

Back

A solid that forms and settles out of a liquid mixture.

Front

How do you calculate the distance traveled if you know speed and time?

Back

Distance = speed x time