EL 3 - Electrons, where would we be without them?

Question 1

State the maximum amount of electrons in the first shell

Answer 1

2

Question 2

State the maximum amount of electrons in the second shell

Answer 2

8

Question 3

State the maximum amount of electrons in the third shell

Answer 3

18

Question 4

State the maximum amount of electrons in the fourth shell

Answer 4

32

Question 5

Name the four sub-shells

Answer 5

s, p, d and f

Question 6

The max. no. of electrons in the s sub-shell

Answer 6

2

Question 7

The max. no. of electrons in the p sub-shell

Answer 7

6

Question 8

The max. no. of electrons in the d sub-shell

Answer 8

10

Question 9

The max. no. of electrons in the f sub-shell

Answer 9

14

Question 10

The no. of orbitals in the s sub-shell

Answer 10

1

Question 11

The no. of orbitals in the p sub-shell

Answer 11

3

Question 12

The no. of orbitals in the d sub-shell

Answer 12

5

Question 13

The no. of orbitals in the f sub-shell

Answer 13

7

Question 14

How can you write electron configuration in shorthand (for elements with a long e configuration)

Answer 14

use [E] and continue the e configuration (E represents any element from group 0)

Question 15

Give the definition of an orbital

Answer 15

3 dimensional space where you may find an electron (not exactly a sphere but a fuzzy ball)

Question 16

Define isoelectronic and give an example

Answer 16

having the same no. of electrons or same e configuration e.g K+ ion is isotonic with Ar