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CHEM 160
FO 6-9 Friday Feb 6
| Question | Answer |
|---|---|
| plank's constant (h) | 6.626 x 10^-34 J x s |
| speed of light (c) | 2.998 x 10 ^3 m/s |
| nanometers conversion | 10^9 nm = 1m |
| how are wavelength and frequency related | inversly related |
| how are wavelength and energy related | inversely related |
| how are frequency and energy related | directly related |
| wavelength equation | wavelength = frequency/c |
| energy equation | E = hc |
| absorbtion | energy absorbed when electron moves from a lower energy state to a higher one |
| emission | energy emitted when electron moves from a higher energy state to a lower one |
| what is emitted/abosrbed when an electron moves states | photon |
| ground state | n = 1 |
| Ephoton equation | Ephoton = E2 - E1 = h x (frequency 2 - frequency 1) |
| principle quantum number | n |
| orbital angular momentum | l |
| magnetic quantum number | ml |
| intrinsic spin | s |
| as n increases how does energy and size react | both increase as n increases |
| l = 0 | s |
| l = 1 | p |
| l = 2 | d |
| l = 3 | f |
| pauli exclusion principle | no two electrons have all the same quantum numbers |
| aufbau principle | quantum numbers have a pecking order ( n > l >ml) |
| hund's (bus rule) principle | when filling subshell l > 0, electrons don't pair up until they have to |
| alkali metal | group 1 |
| alkaline earth metal | group 2 |
| crystallogen | group 14 |
| pnictogen | group 15 |
| transition metal | group 3-12 |
| chalcogen | group 16 |
| halogen | group 17 |
| nobel gases | group 18 |
| rare earth metal | lanthanides and actinides |
| metalloids | B, Si, Ge, As, Sb, Te |
| groups | horizontal |
| periods | vertical |
| density | D=M/V |
| pm conversion | 1 pm = 10^-12m |
| l = ? | n - 1 |
| term value | nl |
| ml = ? | -L to +L |
| how many electrons are in an orbital | 2 |
| MegaHz | 10^6 Hz |
Created by:
stella_koe
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