Science
Build the Atom: Protons, Neutrons, Electrons and Isotopes
Students use atomic number and mass number to find particle counts for atoms and ions, then calculate an average atomic mass from isotope data.
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Science
Inside the Atom: Protons, Neutrons and the Periodic Table
Students use a short reading and provided data to fill in proton, neutron and electron counts for six elements and learn how the periodic table is organized.