Chemistry, asked by EveRYboDySayNoo, 3 days ago

pls help ...its urgent

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Answered by razeenrauf4

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12) Carbon (C)

13) 1g of water and 23g of oxygen

14) There are 4 known allotropes of oxygen:

dioxygen O2

ozone O3

tetraoxygen O4

metallic oxygen obtained at very high pressures

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