Across
- 2. Table : A table that organizes elements by atomic number and properties
- 5. Number : The number of protons in an atom’s nucleus
- 7. Metals : Group 1 elements, very reactive
- 8. Gases : Group 18 elements, nonreactive and stable
- 10. : An element with properties of both metals and nonmetals
- 12. : How likely an element is to undergo a chemical reaction
- 13. : An element that is dull, brittle, and a poor conductor
- 14. : Group 17 elements, very reactive nonmetals
Down
- 1. Mass : The weighted average mass of an element’s atoms
- 3. : The ability of an atom to attract electrons
- 4. : A vertical column in the periodic table
- 6. Earth Metals : Group 2 elements, reactive but less so than Group 1
- 9. Metals : Elements in groups 3-12, often used in jewelry and tools
- 10. : An element that is shiny, malleable, and conducts electricity
- 11. : A horizontal row in the periodic table