Across
- 1. Shape of a P-orbital
- 9. electrons tend tolower energy orbitalbefore going to higher energy
- 10. positively charged particle with fewer electrons than protons
- 13. Elementlocated in group 1A of the periodic table
- 14. neutral subatomic particle in the nucleus
- 16. one of the four non metals-oxygen,carbo,nitrogen,and hydrogen that comprise 96%of the human body
- 18. describe the shape ofelectron wave
- 21. Describe the orientations of the electron wave in space
- 23. element that does not have a shiny appearance and poorly conducts heat and electricity
- 24. substance that contains hydroxide and dissolves in water to form OH
- 25. lowest energy orbital
- 26. state lowest energy state
- 27. positively changed subatomic particle that resides in the nucleus of the atom.
- 28. A molecular mass
- 29. Negatively charged subatomic particle
Down
- 2. Mass of one moles of any substance,reported in gram per mole
- 3. outermost/last energy level containing electrons
- 4. pure substance formed by chemicaly combining two or more elements
- 5. One electron should occupy each orbinal before pairing should occur
- 6. group of 14 elements in the periodic table
- 7. the maximum number of valence electrons for any atom in equal to 8
- 8. Refers to the arrangement /distribution of the electrons n the diff.orbitals of the atoms in the face state
- 11. describe each electron completely in a atom
- 12. Outermost shell that takes part in bonding and chemical reactions
- 15. amount of E required to remove electron from a neutral electron
- 17. Identical triplets 2 or more orbitals with the same energy but different orientation
- 19. Basic building block of matter composed of a nucleus and a electron cloud.
- 20. 2 atoms or elements
- 22. Chemical bondformed between oppositely charged species because of their mutual electrostatic attraction