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Nitro13

The answer is A.H202



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[tex]H_{2} O_{2}[/tex] symbolizes a molecule of a compound

Answer: Option A

Explanation:

A molecule contains one or more atoms which exists free in nature. It can be monoatomic (single atom), Na, Cu, C, N, H, O, etc. and diatomic (containing 2 atoms), are of two types

  • Homo-diatomic- same atoms ([tex]H_{2}, O_{2}, F_{2}, B r_{2}, C l_{2}[/tex], etc.)
  • Hetero-diatomic- different atoms (HCl, HF, NO, NaCl, etc.)
  • Tri-atomic (containing 3 atoms) [tex]\mathrm{H}_{2} \mathrm{O}, \mathrm{N}_{2} \mathrm{O}, \mathrm{Na}_{2} \mathrm{O}[/tex], etc.
  • Polyatomic (containing many atoms) [tex]H_{2} S O_{4}, P_{2} O_{5}, H N O_{3}[/tex], etc.

A compound consists of more one atom which are chemically combined in a fixed composition. So, here we see [tex]H_{2} O_{2}[/tex] is the molecule which symbolizes a compound since it contains more than one element, H and O present in it.