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2. Isovalent hybridization - Wikipedia

   en.wikipedia.org/wiki/Isovalent_hybridization

   The value of 1 J 13 C-1 H for cyclopropane, cyclobutane and cyclopentane are 161, 134, and 128 Hz, respectively. This is a consequence of the fact that the C-C bonds in small, strained rings (cyclopropane and cyclobutane) employ excess p character to accommodate their molecular geometries (these bonds are famously known as ' banana bonds ').

3. Bent's rule - Wikipedia

   en.wikipedia.org/wiki/Bent's_rule

   In the case of water, with its 104.5° HOH angle, the OH bonding orbitals are constructed from O(~sp 4.0) orbitals (~20% s, ~80% p), while the lone pairs consist of O(~sp 2.3) orbitals (~30% s, ~70% p). As discussed in the justification above, the lone pairs behave as very electropositive substituents and have excess s character.

4. Carbon–carbon bond - Wikipedia

   en.wikipedia.org/wiki/Carbon–carbon_bond

   Carbon is one of the few elements that can form long chains of its own atoms, a property called catenation.This coupled with the strength of the carbon–carbon bond gives rise to an enormous number of molecular forms, many of which are important structural elements of life, so carbon compounds have their own field of study: organic chemistry.

5. Orbital hybridisation - Wikipedia

   en.wikipedia.org/wiki/Orbital_hybridisation

   For this molecule, carbon sp 2 hybridises, because one π (pi) bond is required for the double bond between the carbons and only three σ bonds are formed per carbon atom. In sp 2 hybridisation the 2s orbital is mixed with only two of the three available 2p orbitals, usually denoted 2p x and 2p y. The third 2p orbital (2p z) remains unhybridised.

6. Carbon–hydrogen bond - Wikipedia

   en.wikipedia.org/wiki/Carbon–hydrogen_bond

   A bond between a hydrogen atom and an sp 2 hybridised carbon atom is about 0.6% shorter than between hydrogen and sp 3 hybridised carbon. A bond between hydrogen and sp hybridised carbon is shorter still, about 3% shorter than sp 3 C-H. This trend is illustrated by the molecular geometry of ethane, ethylene and acetylene. [citation needed]

7. Ficain - Wikipedia

   en.wikipedia.org/wiki/Ficain

   The name ficin was first used by Robbins in 1930 to describe a purified substance with anthelmintic activity isolated from any member of the fig genus. [6] The Enzyme Commission of the International Union of Biochemistry and Molecular Biology (IUBMB) originally assigned EC 3.4.4.12 as ficin in 1961, which was transferred to 3.4.22.3 and renamed to ficain in 1972, making the two term synonymous ...

8. Brie Larson on Why the ‘Lessons in Chemistry ... - AOL

   www.aol.com/brie-larson-why-lessons-chemistry...

   SPOILER ALERT: This story contains spoilers from “Introduction to Chemistry,” the series finale of “Lessons in Chemistry,” now streaming on Apple TV+. Elizabeth Zott, hero of the people.

9. Spiro compound - Wikipedia

   en.wikipedia.org/wiki/Spiro_compound

   A spiro compound, or spirane, from the Latin spīra, meaning a twist or coil, [22] [5]: 1138 [23] is a chemical compound, typically an organic compound, that presents a twisted structure of two or more rings (a ring system), in which 2 or 3 rings are linked together by one common atom, [2]: SP-0