Determining the mass number from the numbers of protons and neutrons
Shows a lesson on atomic number and mass number, with definitions and guided examples.
To organize information and provide a visual representation that shows how factors (causes) produce an effect using a Cause and Effect Diagram.
To increase reading comprehension, activate prior knowledge, develop collaboration and communication with peers, and determine how key vocabulary words relate to one another using Text Scan.
Periodic Mass is commonly put as 2 times the periodic number, but it is actually the periodic number plus the number of neutrons.
Reviews the relationship between atomic number and atomic mass.
A guide to atomic and mass numbers.
A short "how to" article on determining the number of protons, neutrons and electrons in an atom.