Across
- 5. a part or aspect of something abstract, especially one that is essential or characteristic.
- 8. a chemical element, primarily located on the right side of the periodic table
- 9. a collection of people or things acting as a unit
- 10. an element's tendency to undergo chemical reactions
- 11. the predictable patterns in the properties of elements that arise from their arrangement on the periodic table
- 12. soft, shiny, and highly reactive metals that each have one electron in their outermost shell.
Down
- 1. a table of the chemical elements arranged in order of atomic number, usually in rows,
- 2. elements on the periodic table that have properties between those of metals and nonmetals.
- 3. a horizontal row of the periodic table
- 4. a group of elements found primarily on the left side of the periodic table
- 6. how an element reacts with others, a pattern determined by its electron configuration.
- 7. a Russian chemist known for formulating the periodic law and creating a version of the periodic table of elements.
