Periodic table (20 elements)

Question 1

1) Hydrogen

Answer 1

Atomic symbol = H
Atomic number = 1
Mass number = 1

Question 2

2) Helium

Answer 2

Atomic symbol = He
Atomic number = 2
Mass number = 4

Question 3

3) Lithium

Answer 3

Atomic symbol = Li
Atomic number = 3
Mass number = 7

Question 4

Beryllium

Answer 4

Atomic symbol = Be
Atomic number = 4
Mass number = 9

Question 5

5) Boron

Answer 5

Atomic symbol = B
Atomic number = 5
Mass number = 11

Question 6

6) Carbon

Answer 6

Atomic symbol = C
Atomic number = 6
Mass number = 12

Question 7

7) Nitrogen

Answer 7

Atomic symbol = N
Atomic number = 7
Mass number = 14

Question 8

8) Oxygen

Answer 8

Atomic symbol = O
Atomic number = 8
Mass number = 16

Question 9

9) Fluorine

Answer 9

Atomic symbol = F
Atomic number = 9
Mass number = 19

Question 10

10) Neon

Answer 10

Atomic symbol = Ne
Atomic number = 10
Mass number = 20

Question 11

Sodium

Answer 11

Atomic symbol = Na
Atomic number = 11
Mass number = 23

Question 12

Magnesium

Answer 12

Atomic symbol = Mg
Atomic number = 12
Mass number = 24

Question 13

Aluminium

Answer 13

Atomic symbol = Al
Atomic number = 13
Mass number = 27

Question 14

Silicon

Answer 14

Atomic symbol = Si
Atomic number = 14
Mass number = 28

Question 15

Phosphorus

Answer 15

Atomic symbol = P
Atomic number = 15
Mass number = 31

Question 16

16) Sulphur

Answer 16

Atomic symbol = S
Atomic number = 16
Mass number = 32

Question 17

17) Chlorine

Answer 17

Atomic symbol = Cl
Atomic number = 17
Mass number = 35

Question 18

18) Argon

Answer 18

Atomic symbol = Ar
Atomic number = 18
Mass number = 40

Question 19

19) Potassium

Answer 19

Atomic symbol = K
Atomic number = 19
Mass number = 39

Question 20

20) Calcium

Answer 20

Atomic symbol = Ca
Atomic number = 20
Mass number = 40

Question 21

HERES AN ACRONYM

Answer 21

He
Has
Light
Brain
But
Can
Not
Offer
Full
Nine
Subjects
Must
All
Stupid
People
Stop
Calling
A
Pope
Christ