Fall Semester

Front

What is the atomic number of Iodine?

Back

The atomic number of Iodine is 53.

Front

What is a substance made up of only one kind of atom?

Back

A substance made up of only one kind of atom is called an element.

Front

What does Newton's Third Law state about action and reaction forces?

Back

Newton's Third Law states that for every action force, there is an equal and opposite reaction force.

Front

How do you calculate the speed of an object?

Back

Speed is calculated by dividing the distance traveled by the time taken. (Speed = Distance / Time) Example: 20 meters in 4 seconds = 5 m/s.

Front

What is the subatomic particle that has a negative charge?

Back

The subatomic particle that has a negative charge is called an Electron.

Front

What is the definition of an element?

Back

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

Front

What is the definition of a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

What is the definition of a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is the formula for calculating force?

Back

Force is calculated using the formula: Force = Mass x Acceleration (F = m*a).

Front

What is the definition of speed?

Back

Speed is the distance traveled per unit of time.