Electron Configuration

Question 1

What is an energy level?

Answer 1

Each electron shell

Question 2

What is an orbital?

Answer 2

An electron sub-shell

Question 3

How many electrons can each orbital hold?

Answer 3

2

Question 4

What are the different types of orbitals?

Answer 4

S- P- D- F-

Question 5

What shape are s-orbitals?

Answer 5

Sphere

Question 6

What shape are p-orbitals?

Answer 6

Dumbell shaped

Question 7

How many s-orbitals does each shell have?

Answer 7

1

Question 8

How many p-orbitals does each shell have?

Answer 8

3

Question 9

How many d-orbitals are in each shell?

Answer 9

5 (only from shell 3 onwards)

Question 10

How many f-orbitals does each shell have?

Answer 10

7 (from shell 4 onwards)

Question 11

How many electrons can energy levels 1-4 contain?

Answer 11

2,8,18,32

Question 12

Why do electrons in an orbital spin in opposite directions?

Answer 12

To minimise the repulsion between electrons

Question 13

Ionisation energy definition?

Answer 13

The energy needed to remove one electron from each atom in one mole of gaseous atoms to form one mole of gaseous 1+ ions

Question 14

What is ionisation energy measured in?

Answer 14

KJ per mole