The group that contains only elements that normally exist as diatomic molecules is B. nitrogen, oxygen, fluorine.
Diatomic molecules are those in which 2 atoms are bonded. There are 7 diatomic molecules of 1 element: H₂, N₂, O₂, F₂, Cl₂, Br₂, I₂.
Which group contains only elements which normally exist as diatomic molecules?
A. hydrogen, lithium, sodium. No, Li and Na exist as monoatomic molecules.
B. nitrogen, oxygen, fluorine. Yes.
C. nitrogen, sulfur, bromine. No, S exists as monoatomic or polyatomic molecules.
D. oxygen, phosphorus, germanium. No, P and Ge do not exist as diatomic molecules.
E. helium, neon, argon. No, He, Ne and Ar exist as monoatomic molecules.
The group that contains only elements that normally exist as diatomic molecules is B. nitrogen, oxygen, fluorine.
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