Across
- 2. goes across
- 6. have properties that are a mix metals & non metals, unique conductivity properties (B, Si, Ge)
- 9. what we start with
- 10. energy is released in the form of a heat
- 11. mass is not created or destroyed by chemical reactions or physical transformations.
- 16. atomic particles found in the nucleus
- 17. energy is absorbed making the products of the reaction cooler
- 20. the smallest unit of energy
- 21. atomic partials that move around the nucleus (-)
- 22. what we end up with
- 23. Abbreviated name of element
- 25. atomic particles found in the nucleus, no charge
- 26. a combination of atoms bonded together
Down
- 1. have properties of metal, brittle, not malleable, ductile, poor conductors of heat & electricity
- 3. a particle that moves around the nucleus (+) (doesn't appear in H)
- 4. goes down
- 5. developed the periodic table of elements (Russian)
- 7. a pure substance that has only one kind of atom in it.
- 8. the number of protons in the nucleus of an atom
- 12. the mass of an atom of a chemical element.
- 13. Regions of space outside the nucleus
- 14. any gas element
- 15. Electrons in the outer most orbital
- 18. solid, shiny, malleable, ductile, electricity & thermal conductor
- 19. a pure substance made up of two or more different atoms
- 24. a reaction that occurs in which a layer of metal is bonded to the surface of another substance