Question

atomic no. mnemonics till 20 only...fast plzz
coz tomorrow is my exam

Answer 1

hope this helps you
mark as brainliest answer

Answer 2

1)- Hydrogen
2)- Helium
3)- lithium
4)- Beryllium
5)- Boron
6)-Carbon
7)- Nitrogen
8)- Oxygen
9)- Fluorine
10)-Neon
11)- Sodium
12)- Magnesium
13)-Aluminum
14)- Silicon
15)- Phosphorus
16)- Sulphur
17)-Chlorine
18)-Argon
19)-Potassium
20)- Calcium