What is an isotope? Review Video
Station Activity Go around to the 8 green papers and write down everything you can about those elements (you can use a periodic table)
Lithium-7 Lithium-5 Carbon-13 Carbon-14 Oxygen-16 Oxygen-17 Sulfur-32 Sulfur-33
Who am I? I have 21 neutrons, 18 electrons, and 19 protons I have 10 electrons, 7 protons, and 8 neutrons
What do you notice about most of the masses on the periodic table?
How then are the masses on the periodic table calculated?
Another example. . .
Let’s Think Compare and contrast an isotope to an ion (charged atom)