Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
what is a shell ? |
a group of stomic orbitals with the same principal quantum number,n. |
|
what is an atomic orbital ?
|
a region within an atom
|
|
what are number of electrons in the first four shells ?
|
1st - 2
2nd- 8 3rd- 18 4th- 32 |
|
what is principal quantum number , n ?
|
indicates the shell that electrons occupy.
|
|
each shell hold up to ?
|
up to 2n squared
|
|
how many electrons can an atomic orbital can hold ?
|
up to 2
|
|
how many types of orbitals are there ? what are they ?
|
4 types : s,p,d & f
|
|
what shape is an s orbital ? how many s orbitals does a shell contain ? how many s elctrons in each shell.
|
-spherical shape
-one s orbital -2 s electons in each shell |
|
what shape is a p orbital ? how many p orbitals does a shell contain? how many p electrons in each shell?
|
- dumbbell shape
- from n=2 up , each shell contains 3 orbitals - 6 p electrons |
|
how many many d orbitals are in a shell ? how many d electrons in a shell ?
|
-from n=3 upwards , each shell contains five d-orbitals.
-10 d electrons |
|
how many f orbitals are in a shell ? how many f electrons ?
|
- from n=4 upwards , each shell contains 7 orbitals
-14 f electrons |