| A | B |
|---|
| principle quantum number | distance e- is from nucleus |
| orbital quantum number | shape of electron cloud |
| magnetic quantum number | position of cloud around a 3D axis |
| spin quantum number | direction of electron spin |
| ionization energy | added to remove an electron |
| electron affinity | energy released when an electron is added |
| electron configuration | shows all e's and position |
| electron dot | shows only outer shell electrons |
| orbital notation | shows all e's, position and spin |
| valence | outer shell electrons |
| kernel | inner electrons and nucleus |
| isotope | different mass and neutrons than atom |
| ion | charged particle |
| cation | positive ion |
| anion | negative ion |
| hybridization | move an s electron to a d to make 5 or 10 (makes stable)) |
| half life | amount of time needed for half of the atoms to decompose |
| fission | splitting an atom into 2 smaller more stable pieces |
| fusion | joining 2 nuclei into a bigger atom |
| alpha decay | transforms (or 'decays') into an atom with a mass number 4 less and atomic number 2 less, weak radiation |
| beta decay | (an electron or a positron) is emitted from an atomic nucleus |
| atomic mass | protons plus neutrons |
| atomic number | number of protons |
| proton | positive subatomic particle |
| electron | negative subatomic particle |
| neutron | neutral subatomic particle |
| s | spherical shaped 1 room |
| p | dumb-bell shaped 3 rooms |
| d | 5 rooms |
| f | 7 rooms |
| order of filling | 1s,2s,2p,3s,3p,4s,3d,4p,5s,4d,5p,6s..... |
| quantum numbers | mathematical expressions that tell the energy state of an atom |
| octet | complete outer shell |
| octet rule | try to become like a noble gas (have an octet) |
| POMS | the 4 quantum numbers |
| Schrodinger | founder of quantum theory |
| 1st floor | K |
| gamma decay | electromagnetic radiation produced by the decay from high energy states of atomic nuclei |
