Across
- 5. Bendable
- 6. particle Particles of matter that are smaller than a hydrogen atom
- 7. character The level of reactivity of a metal
- 13. The ability to transmit heat, electricity, or sound
- 14. Gases Name of Group 18
- 17. Brittle and non-conductable
- 18. properties A property of a substance during a reaction in which the chemical composition or identity of the substance is changed
- 19. Name of Group 17
- 21. Neutral charge
- 23. Positively charged
- 24. Conductive and malleable
- 25. metals Name of Group 1
Down
- 1. A group of elements with similar chemical properties
- 2. earth metals Name of Group 2
- 3. Negatively charged
- 4. The smallest component of an element
- 8. force The attraction between opposite forces
- 9. Semi-conductable
- 10. electrons Electrons on the outermost shell
- 11. radius The distance from the nucleus to the edge of the atom
- 12. The center of an atom
- 15. When two or more chemical elements are chemically bonded together
- 16. The periodic table is made up of ________
- 20. Synonym for shiny
- 22. Fragile or frail