Question

what is the most valuable element in the following:
hydrogen
helium
lithium
beryllium
boron
carbon
nitrogen
oxygen
fluorine
neon
sodium
magnesium
aluminum
silicon
Phosphorus
Sulphur
chlorine
argon potassium
calcium
​

Answer 1

Answer:

francium

Explanation:

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Answer 2

Answer:

Actually it is francium but among this it is carbon

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