Average Atomic Masses Quiz

This online quiz is intended to give you extra practice in calculating the average atomic mass of fictional elements from their isotope masses and abundances. This quiz aligns with AP® Chemistry Learning Objective 1.2 Mass Spectra of Elements.

Select your preferences below and click 'Start' to give it a try!

Number of problems:	1  5  10  25
Wanted precision of masses:	Ones place (i.e., 1)  Tenths place (i.e., 0.1)  Hundredths place (i.e., 0.01)  Thousandths place (i.e., 0.001)  Ten Thousandths place (i.e., 0.0001)  Hundred Thousandths place (i.e., 0.00001)  Millionths place (i.e., 0.000001)  Random!
Data & graphs:	Show both data & graphs  Show data only  Show graphs only
Separator:	Use spaces to separate digits (e.g., 1.007 84)
Graph colors (where applicable):	Draw data in color  Draw data in black & white (better for printing)
Display problems as:	List of given and wanted values (easier)  Word problems (more challenging)
Question format:	Fill-in-the-blank  Multiple choice
Show periodic table:	Display pop-out periodic table on quiz
Show calculator:	Display pop-out calculator on quiz
Show solutions:	Display solution setups after quiz has been taken
Display quiz as:	Interactive web page (typical)  Printable web page (for worksheets)      •  Display quiz instructions (if applicable)      •  Add "Name:" line at top      •  Add custom title at top:   Presentation (full screen for class)
Start!