CHM 1.1.1

CHM 1.1.1

Analyzing Atomic Structure of Atoms, Ions, and Isotopes

Multiple Choice

A nuclear particle that has about the same mass as a proton, but with no electrical charge, is called a(n)

• nucleotide

• Isotope

• Neutron

• Electron

Multiple Choice

The total number of protons and neutrons in the nucleus of an atom is its

• Atomic number

• Mass number

• Average atomic mass

• Number of neutrons

Multiple Choice

The average atomic mass of an element is the average of the atomic masses of its

• naturally occurring isotopes

• nonradioactive isotopes

• two most abundant isotopes

• artificial isotopes

Multiple Choice

An atom of an element that has a different number of neutrons than protons is known as an

• Ion

• Isotope

• Alpha particle

• Beta particle

Multiple Choice

An atom of an element that has a different number of electrons than protons, causing an overall charge to the atom is known as an

• Ion

• Isotope

• Alpha particle

• Beta particle

​More Average Atomic Mass Practice Problems

We will now do a couple more example problems before you complete your solo practice problems