Electron Structure

Question 1

Define the term ‘electron configuration’

Answer 1

The arrangement of electrons in an atom

Question 2

Define the term ‘electron shielding’

Answer 2

The repulsion between electrons in different inner shells

Question 3

Define the term ‘atomic orbital’

Answer 3

A region of space around the nucleus of an atom which holds up to two electrons with opposite spins (s, p, d and f)

Question 4

Define the term ‘sub-shell’

Answer 4

A group of the same type of atomic orbital (s, p, d, f)

Question 5

How many s-orbitals and electrons do s sub-shells contain?

Answer 5

-One s-orbital
-2 electrons

Question 6

How many p-orbitals and electrons do p sub-shells contain?

Answer 6

-Three p-orbitals
-6 electrons

Question 7

How many d-orbitals and electrons do d sub-shells contain?

Answer 7

-Five d orbitals
-10 electrons

Question 8

How many f-orbitals and electrons do f sub-shells contain?

Answer 8

-Seven f orbitals
-14 electrons