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What is the Lewis dot diagram for #C_2H_6#?

Answer 1

#H_3C-CH_3#

Each #C# has #4# valence electrons, and each #H# has the #1#. There are no non-bonded lone pairs, and 7 bonding pairs to distribute. So there are #6xxC-H# bonds (12 electrons) and #1xxC-C# bond; 14 electrons in total as required.

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Answer 2

Ava Andrews

For C2H6, the Lewis dot diagram would show two carbon atoms each with four valence electrons and six hydrogen atoms each with one valence electron. The two carbon atoms would share one pair of electrons, forming a single bond, and each carbon atom would form three single bonds with the hydrogen atoms, resulting in a total of six carbon-hydrogen bonds.

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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.