Semester 1 Review

Front

What is the chemical formula for ammonium chromate?

Back

(NH4)3CrO4

Front

How many hydrogen atoms are in (NH4)3CrO4?

Back

12

Front

What describes the atoms in helium?

Back

All helium atoms are the same type of atom.

Front

What is Newton's Third Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Front

What is an example of a base?

Back

Baking soda

Front

What is the definition of a chemical element?

Back

A substance that cannot be broken down into simpler substances by chemical means.

Front

What is the difference between a mixture and a compound?

Back

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

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

What is the definition of acceleration?

Back

The rate of change of velocity of an object.

Front

What is the significance of the reference point in motion?

Back

It is the starting point used to describe the position of an object.