Shows how the atomic number is determined by the number of protons and that the periodic table is arranged by increasing atomic number. Also goes into mass number, showing examples that help illustrate that the mass number is the sum of the protons and neutrons.
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.
Reviews the relationship between atomic number and atomic mass.
A guide to atomic and mass numbers.