Across
- 1. _______'s law of octave - 8 elements
- 7. the first quantum number; describes the energy and distance of electron from the nucleus
- 9. conductors of heat and electricity; non-ductile
- 14. anything that has mass and occupies space
- 15. to the number of protons in the nucleus equal to the number of protons
- 16. refers to the number of protons and neutrons
- 20. short hand, abbreviated representation of an element
- 24. ______ Mendeleev- proposed the chemical properties of periodic table
- 25. elements of life
- 26. nuclear glue
- 27. charge:neutral; mass:1.00866
- 29. nuclear symbol similiar to H, mass:1.00723
- 30. substance consisting of two or more components without any chemical combination
- 31. luster; sheen, ductile, good base formers
Down
- 2. latin name of Tungsten
- 3. the second quantum number; describes the shape of the electron wave
- 4. _______'s triad - 3 elements in a group with the same properties
- 5. latin name of Lead
- 6. lowest possible temperature
- 8. ratio of density of a substance to the density of water
- 10. simplest form of substance such that cannot be broken in simplier form
- 11. latin name of Potassium
- 12. two phase or more mixture; non uniform distribution of components
- 13. movement of electron in its orbiting space
- 17. one phase mixture; uniform distribution of components
- 18. group of akali metals the modern periodic table
- 19. particles responsible chemcial reactions
- 21. _______'s Uncertainty Principle
- 22. the third quantum number; describes the orientation of the electron wave space
- 23. ability to act as base or acid at the same time
- 28. ______ Meyer- proposed the physical properties of periodic table