topic 5 2.2

Question 1

Can you give the number of electrons that can fill the first four shells?

Answer 1

look at 2n^2(principal quantam number)
1st shell 2
2nd shell 8
3rd shell 18
4th shell 32

Question 2

what is an atomic orbital

Answer 2

An atomic orbital is the region around the nucleus that can hold up to two elctrons with opposite spins

Question 3

what is the shape of an s orbital

Answer 3

spherical 1orbital

Question 4

what is the shape of a p orbital

Answer 4

dumbbell (8) Px Py Pz (3 orbitals) 90 degrees

Question 5

What is the number of orbitals making up s-, p- and d-sub-shells

Answer 5

s-1 p-3 d-5

Question 6

what is the number of electrons that can fill s-, p- and d-sub-shells

Answer 6

s-2 p-6 d-10