From the first 20 elements, can you name an element made up of diatomic molecules with a single bond between the atoms?

Answer 1

Among the first 20 elements, hydrogen gas #("H"_2")#, fluorine gas #("F"_2")#, chlorine gas #("Cl"_2")# are made up of diatomic molecules with a single bond between the atoms.

Hydrogen gas: #("H":"H")#

Fluorine gas: #("F":"F")#

Chlorine gas: #("Cl":"Cl")#

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Answer 2

Caleb Adams

Hydrogen gas (H₂) is an element made up of diatomic molecules with a single bond between the atoms.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.