hi guys can anyone tell me a code to remember the atomic number of first 20 elements?
give proper answers ....
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Hydrogen H
2 Helium He
3 Lithium Li
4 Beryllium Be
5 Boron B
6 Carbon C
7 Nitrogen N
8 Oxygen O
9 Fluorine F
10 Neon Ne
11 Sodium Na
12 Magnesium Mg
13 Aluminium Al
14 Silicon Si
15 Phosphorus P
16 Sulfur S
17 Chlorine Cl
18 Argon Ar
19 Potassium K
20 Calcium Ca
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Explanation:
henry hester likes beer but can not obtain
hydrogen,helium,lithium,beryllium,boron,carbon,nitrogen,oxygen
use swmnols of the elements and form like q story
or make as song of elements
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