Modern periodic table from 1 to 20
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Answer:
hydrogen
helium
lithium
beryllium
boron
carbon
nitrogen
oxygen
fluorine
neon
sodium
magnesium
aluminum
silicon
phosphorus
sulphur
chlorine
argon
potassium
calcium
Answered by
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Answer:
Hydrogen
Helium
Lithium
Berilium
Boron
Carbon
Nytrozen
Oxygen
Florin
Neon
Sodium
Magnesium
Aluminium
Silicone
Phosphorus
Sulphur
Chlorin
Argon
potassium
Calcium
.
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