Question

names of elements till calcium

Answer 1

Hydrogen
helium
lithium
berelium
boron
carbon
nitrogen
oxygen
flourine
neon
sodium (na)
magnesium
aluminium
silicon
Phosphorus
sulphur
chorine
argon
potassium (k)
Calcium

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Answer 2

1 Hydrogen
2 Helium
3 Lithium
4 Berilliyum
5 Boron
6 Carbon
7 Nitrogen
8 Oxygen
9 Fluorine
10 Neon
11 Sodium
12 Magnesium
13 Aluminium
14 Silicon
15 Phosphorus
16 Sulfur
17 Chlorine
18 Argon
19 Potassium
20 Calcium