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274

Q:

Which one of the following elements has atomicity equal to one?

  • 1
    Oxygen
  • 2
    Argon
  • 3
    Nitrogen
  • 4
    Fluorine
  • Show Answer
  • Workspace

Answer : 2. "Argon"
Explanation :

Argon elements have atomicity equal to one. 

Argon is a chemical element with the symbol Ar and atomic number 18. 

It is in group 18 of the periodic table and is a noble gas.

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