Across
- 4. basic building blocks of all things
- 5. electron that is located on the outer electron ring of an atom
- 6. any characteristics of a given thing
- 9. something made as the result of a chemical, natural, or manufacturing process
- 10. elements of the periodic table that are grouped by their horizontal position on the table
Down
- 1. substance made out of a single element
- 2. you end up with the same amount that you started with
- 3. a thing or trend that indicates a change has occurred in a certain substance
- 7. Subatomic particle that determines the reactivity of an element
- 8. elements of the periodic table grouped by their vertical position on the table