View example sentences and word forms for Hydrogens.
Hydrogens meaning
plural of hydrogen
Example sentences (15)
For some experiments, it may be desirable to identify the labile hydrogens on a compound, that is hydrogens that can easily exchange away as H + ions on some positions in a molecule.
In particular, the results agreed with estimations from dipole field calculations, indicating that the nuclear magnetic fields of hydrogens in magnesium hydride were indeed observed.
Because saturated fatty acids have only single bonds, each carbon atom within the chain has 2 hydrogen atoms (except for the omega carbon at the end that has 3 hydrogens).
Ionization of the carbonyl oxygen is stabilized by formation of two hydrogen bonds to adjacent main chain N-hydrogens.
Other enzyme residues (not shown) donate and accept hydrogens and electrostatically stabilise charge build-up along the reaction mechanism.
Oxygen is more electronegative than carbon, thus the hydrogens alpha to ethers are more acidic than in simple hydrocarbons.
The analysis of deuterium/protium ratios in comets found results very similar to the mean ratio in Earth's oceans (156 atoms of deuterium per million hydrogens).
The B 10 H 16 structure (diagram at right) determined by Grimes, Wang, Lewin, and Lipscomb found a bond directly between two boron atoms without terminal hydrogens, a feature not previously seen in other boron hydrides.
The pK a value for dissociation of a C–H bond is extremely high, but the pK a alpha hydrogens of a carbonyl compound are about 3 log units lower.
These covalent features are more substantial when acceptors bind hydrogens from more electronegative donors.
These isomers are also technically DHEA, since they are dehydroepiandrosterones in which hydrogens are removed from the epiandrosterone skeleton.
They are far less acidic than hydrogens alpha to carbonyl groups (such as in ketones or aldehydes ), however.
This produces one helium for every 12 hydrogens, resulting in a universe that is a little over 8% helium by number of atoms, and 25% helium by mass.
Thus, saturated fatty acids are saturated with hydrogen (since double bonds reduce the number of hydrogens on each carbon).
When the hydrogens of the clay hydroxyls are ionised into solution, they leave the oxygen with a negative charge.