Across
- 5. / neutral charged atomic particle
- 8. / three dimensional space occupied
- 11. / substances that have high thermal and electrical conductivity
- 15. ions / a covalently bonded set of two or more atoms
- 18. compounds / a bond that involves sharing electron pairs between atoms
- 19. / Ex. Solid, Liquid, Gas
- 21. gases / Elements that compose Group 18 on the periodic table
- 23. / negatively charged atomic particle
- 24. compounds
- 25. / elements that are not good conductors of heat and electricity
Down
- 1. / quantity per unit
- 2. / an ability of a material to pass through a current
- 3. / Molecules are made up of one or more atoms
- 4. / having more than one valency
- 6. earth metal / Elements that compose Groups 2 on the periodic table
- 7. / an element that cannot be broken down into any other substance
- 9. point / The point in which the substance turns from liquid to gas
- 10. / an element that has metal and non-metal properties
- 12. / Elements that compose Group 17 on the periodic table
- 13. particles / a particle that is smaller than an atom
- 14. / positively charged atomic particle
- 16. / quantity of matter in a physical body
- 17. point / The point in which the substance turns from solid to liquid
- 20. number / How many protons an element has
- 22. model / a system of electrons orbiting the nucleus
- 26. / the smallest piece of an element