Unwrap the Tootsie-Pop and put it in your mouth. Smooth out the wrappers and mentally give each color a symbol. Or Make three different combinations using the wrappers and describe them using the color-symbols. Page 3 Part II Sets of symbols like GCh, and ROrCc are called formulas. Each symbol represents one kind of atom.
Every element is made of the same kind of atom, so each element has a symbol.
If you have more than one of the same kind of atom in a formula, you place that number after and a little below the line to show the number of atoms. The little number is called a subscript. Then, write the formulas for the following combinations. Page 4 Part III 19. Page 5 20.