Across
- 2. – Horizontal row in the periodic table
- 5. – Elements that are dull and poor conductors.
- 7. – How likely an element is to undergo a chemical change.
- 8. – Vertical column in the periodic table.
- 12. – An atom’s ability to attract electrons.
- 14. – Group 1 elements, highly reactive metals.
- 15. – Elements that are shiny and good conductors.
Down
- 1. – Group 17 elements, very reactive nonmetals.
- 3. – Elements in groups 3–12, have varied properties.
- 4. – Energy needed to remove an electron.
- 6. – Electrons in the outer shell of an atom.
- 9. Table that organizes elements by atomic number.
- 10. –Metalloids – Elements with properties of both metals and nonmetals.
- 11. – Distance from the nucleus to the outermost electron.
- 13. – Group 18 elements, nonreactive gases.