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