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What is resonance, and are resonance structures real?

resonance valence-bond-theory asked May 23, 2016 at 17:03

chemistry.stackexchange.com

26 votes

What is Y-aromaticity? Is the trinitromethanide anion aromatic?

organic-chemistry nitro-compounds aromaticity asked Jun 2, 2015 at 16:25

chemistry.stackexchange.com

26 votes

Why are the C-C bonds in benzene closer in length to double bonds than single bonds?

organic-chemistry bond aromatic-compounds resonance asked Sep 21, 2015 at 17:09

chemistry.stackexchange.com

26 votes

Do vinyl cations adopt a classical or non-classical structure?

organic-chemistry molecular-structure carbocation asked Sep 29, 2015 at 11:38

chemistry.stackexchange.com

16 votes

Exocyclic vs. endocyclic double bonds in E1 elimination

organic-chemistry reaction-mechanism stability asked May 21, 2015 at 18:19

chemistry.stackexchange.com

16 votes

Why are tertiary carbocations so stable?

organic-chemistry carbocation hyperconjugation asked Jan 19, 2016 at 11:50

chemistry.stackexchange.com

13 votes

Purpose of ammine in Tollens' reagent

inorganic-chemistry reaction-mechanism redox coordination-compounds asked Apr 28, 2015 at 19:29

chemistry.stackexchange.com

11 votes

Clemmensen reduction of 1,3 diketones

organic-chemistry reaction synthesis carbonyl-compounds asked Apr 15, 2015 at 19:04

chemistry.stackexchange.com

11 votes

Bonding in alkali metal complexes

inorganic-chemistry bond coordination-compounds asked May 4, 2016 at 16:07

chemistry.stackexchange.com

11 votes

Wild camping in the Brecon Beacons

camping wild-camping uk walking national-park asked Jul 5, 2015 at 16:24

outdoors.stackexchange.com

Top Answers

A compound that absorbs all visible light

chemistry.stackexchange.com

What is resonance, and are resonance structures real?

chemistry.stackexchange.com

Can an atom bond with more than 8 other atoms?

chemistry.stackexchange.com

Is the Mid-Atlantic Ridge a ridge or a trench?

earthscience.stackexchange.com

Is biphenyl considered to be aromatic?

chemistry.stackexchange.com

Why are the masses of atoms less than the sum of their subatomic particles?

chemistry.stackexchange.com

If we assume the mega impact hypothesis for the formation of Moon, where on Earth is the impact point?

earthscience.stackexchange.com

Friedel–Crafts reaction of phenol

chemistry.stackexchange.com

What happens if the electronegativity difference is exactly 2.1?

chemistry.stackexchange.com

Why is tetramethylsilane (TMS) used as an internal standard in NMR spectroscopy?

chemistry.stackexchange.com

Why is europium used in Euro bank notes?

chemistry.stackexchange.com

What are the distinguishing features of an "artificial seismic wave" (e.g. a large underground explosion)

earthscience.stackexchange.com

How is known that the Earth core is solid?

earthscience.stackexchange.com

Why is cyclopentadiene more stable than its aromatic counterpart cyclopentadienyl anion?

chemistry.stackexchange.com

Why is meta-nitrophenol less acidic than para-nitrophenol?

chemistry.stackexchange.com

Why is tetrafluoromethane non-polar and fluoroform polar?

chemistry.stackexchange.com

Why is the South Pole colder than the North Pole?

earthscience.stackexchange.com

Why there are no sharp corners in nature?

earthscience.stackexchange.com

Origin of Azide's Name

chemistry.stackexchange.com

Does sodium form complexes like transition metal ions?

chemistry.stackexchange.com

Synthesising Complex Aromatic Compound

chemistry.stackexchange.com

Is oxygen the most abundant element on Earth?

earthscience.stackexchange.com

Does adsorption violate thermodynamics?

chemistry.stackexchange.com

Is pyrite (FeS₂) an ionic or a covalent compound?

chemistry.stackexchange.com

What is the oxidation state of copper and iron in chalcopyrite?

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How is the dissolution of acetic acid that makes its aqueous solution a poor electrolyte?

chemistry.stackexchange.com

How are the hybrid orbitals of sulfur hexafluoride shaped?

chemistry.stackexchange.com

Is it possible to have a diatomic molecule of sodium in gaseous state?

chemistry.stackexchange.com

Why doesn't iron(III) iodide exist?

chemistry.stackexchange.com

Is there a difference between Density and Specific Gravity?

earthscience.stackexchange.com