What are the maximum number of electrons in each shell?
Feb 20, 2014 · The first shell can carry up to two electrons, the second shell can carry up to eight electrons. The third shell can carry up 18 electrons, but it is more stable by carrying only eight …
Why does fructose reduce Tollens' reagent and Fehling's solution?
Nov 3, 2015 · Even though fructose is a ketohexose (ketone-containing hexose, a six-carbon monosaccharide), it reduces Tollens' reagent and Fehling's solution. Generally, a ketone does not …
organic chemistry - Is it possible to reduce a carboxylic acid to an ...
Mar 14, 2025 · When reducing a carboxylic acid, it normally gets reduced to an alcohol with the brief intermediate stage of an aldehyde quickly getting reduced. Is it possible to get an aldehyde from a …
Why is a C4 ring impossible? - Chemistry Stack Exchange
Mar 20, 2023 · A four C ring does exist in many compounds, but it is not possible for double bonds. Cumulated double bonds C=C=C C = C = C must be linear, in 1 line. They can be bent a little, but it …
What exactly is "B-strain"? - Chemistry Stack Exchange
Jul 12, 2017 · The term "B-strain" was coined in the article Acid-Base Studies in Gaseous Systems. II. The Anomalous Base Strength of the Methylamines; A New Manifestation of Steric Strain J. Am. …
Why does liquid water form when we exhale on a mirror?
Mar 11, 2019 · In the descriptions below, I always assume external pressure to be constant at 1 atm, the condition where daily observations are made. 1) When I exhale on a mirror, liquid water forms on the …
solutions - Why do colligative properties depend only on number of ...
Jan 30, 2019 · Colligative properties depend solely on the number of even though the interactive forces are different for different solute-solvent pairs. So why is the dependence only on the number of solute?
When does "always add acid" not apply? [duplicate]
Oct 16, 2023 · I've been taught a LONG time ago to AAA "Always Add Acid". I've recently come across what feels like an exception to that rule when making piranha solution (you add the …
Does hydrogen bonding only occur between water molecules?
Oct 2, 2015 · A quick check of Wikipedia reveals: "A hydrogen bond is the electrostatic attraction between polar molecules that occurs when a hydrogen (H) atom bound to a highly electronegative …
Oxidation state of the sulfur atoms in the thiosulfate Ion
Feb 11, 2015 · What are the oxidation states of the two inequivalent sulfur atoms of the $\ce {S2O3^ {2-}}$ molecule? For all I know is that Lewis Structure does matter in most of the cases.