2.2.1 - Electron structure
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What does the principal quantum number indicate?
The shell occupied by the electrons n
What is a shell?
A group of orbitals with the same principal quantum number
How many electrons can the 1st shell hold?
2
How many electrons can the 2nd shell hold?
8
How many electrons can the 3rd shell hold?
18
How many electrons can the 4th shell hold?
32
What is an orbital?
A region around the nucleus that can hold up to two electrons with opposite spins
How many electrons can a orbital hold?
2
What ar the 4 types of orbitals?
s p d f
What is the shape of a s-orbital?
Spherical
What is the shape of a p orbital?
dumbbell shape
How many orbitals are found in a S subshell?
1
How many electrons can be held in a S subshell?
2
How many orbitals does P subshell have?
3
How many electrons can be held in a P subshell?
6
How many orbitals are present in a D subshell?
5
How many electrons can be held in a D subshell?
10
How many orbitals are found in a F subshell?
7
How many electrons can full F subshel?
14
When using “electros in box” representation, what shape is used to represent the electrons?
arrows
What letter is used to represent shell number?
n
From which shell onwards is S orbital present?
n = 1
From which shell onwards is the P-orbital present?
n = 2
From which shell onwards is the D - orbital present?
n = 3