Chemistry Final Review

Front

What is the smallest particle of an atom?

Back

Electron

Front

How many electron shells are in a typical atom?

Back

3

Front

What particle determines the atomic number of an element?

Back

Proton

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

Which category includes the majority of elements in the periodic table?

Back

Metals

Front

What is the mass of a proton compared to an electron?

Back

Proton is approximately 1836 times more massive than an electron.

Front

What is the charge of an electron?

Back

Negative

Front

How do you determine the number of neutrons in an atom?

Back

Subtract the atomic number from the mass number.

Front

What is an ion?

Back

An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

Front

What is the significance of the atomic number?

Back

It defines the element and determines its position in the periodic table.