ELECTRON STRUCTURE Flashcards
1
Q
Principle quantum number
A
the elctron shell
2
Q
A shell
A
a group of orbitals with the same prinicle quantum number
3
Q
an orbital is a
A
region around the nucleus that can hold up to 2 electrons with opposite spins
4
Q
Types of orbitals
A
-S
-P
-D
-F
5
Q
Shape of S orbital
A
spherical
6
Q
Shape of P orbital
A
Dumbell shape
7
Q
S orbital can hold up to
A
2 electrons
8
Q
P orbital can hold up to
A
6 electrons
9
Q
D orbital can hold up to
A
10 electrons
10
Q
F orbital can hold up to
A
14 electrons
11
Q
1 electron shell
A
1s
12
Q
2nd electron shell
A
2s 2p
13
Q
3rd electron shell
A
3s.3p.3d
14
Q
4th electron shell
A
4s,4p,4d,4f
15
Q
Rules by which electrons are arranged in shells
A
1,4s is filled before 3d
2.lowest energy level is filled first
3.electrons are added one at a time