Question

Which of these elements does not exist as a diatomic molecule?

A) F
B) Ne
C) H
D) Cl

Answer 1

Answer:

Ne

Explanation:

Noble gas, Unreactive therefore does not exist as a diatomic molecule

Answer 2

Neon(Ne) is an element that does not exist as a diatomic molecule.

• A diatomic molecule is a molecule that has two valence electrons that are bonded or tightly located together.

• $Fl_{2}$ is a diatomic gas, also called difluorine or fluorine gas.

• Neon (Ne) is a noble gas with an atomic number of 10. Its electronic configuration is written as: 2, 8. Its valence electron is complete.

• $H_{2}$ is also called Hydrogen gas. It is diatomic in nature because of its gaseous state.

• $Cl_{2}$ is also called Chlorine gas. It is diatomic in nature.

Therefore, Neon is an element that does not exist as a diatomic molecule.

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