Periodicity and properties of elements

Question 1

What is the name of orbitals?

Answer 1

• S orbital
• P orbital
• D orbital
• F orbital

Question 2

How many electrons can fit in an S orbital?

Answer 2

2 electrons; it only has one orbital

Question 3

How many electrons can fit in an P orbital?

Answer 3

6 electrons; it has 3 orbitals

Question 4

How many electrons can fit in an D orbital?

Answer 4

10 electrons; it has 5 orbitals

Question 5

How many electrons can fit in an F orbital?

Answer 5

14 electrons; it has 7 orbitals

Question 6

How many electrons can fit in one orbital?

Answer 6

2 electrons per orbital

Question 7

What is Aufbau’s principle?

Answer 7

The rule that electrons have to fill lowest available energy level of an atomic orbital before they can begin to occupy higher energy levels.

Question 8

What is the order that electrons fill shells?

Answer 8

1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d

Question 9

What is the quantum order that electrons fill shells?

Answer 9

1s, 2s, 2p, 3s, 3p, 3d, 4s , 4p, 4d, 4f

Question 10

What is Magnesium’s [24] electron configuration?

What is Titanium’s [50] electron configuration?

What is Cobalt’s [59] electron configuration?

Answer 10

Mg: 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d4

Ti: 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2, 4d10, 4f14