Sentences with phrase «forms of oxygen atoms»

Researchers looked at the ratios of two forms of oxygen atoms in the minerals deposited in layers in two stalagmites that had formed in a cave in the Himalayan foothills about 200 kilometers north of New Delhi.

Not exact matches

If humans were not designed by a higher authority, how can each individual's DNA be uniquely different among the human species, especially different than the other animals; how can the life sustaining elements be constantly available and exist in exact formulations: O, H, C etc. water is always 2 atoms of Hydrogen and one atom of Oxygen; sugar, fats, grains, and any bio-chemical products can be broken down to their simplest forms of elements, but can be re-constructed with specific (not by chance) formula.
This organic whole that began from an initial high bang and eventuated into the present universe is distinguished by a form of unity and diversity radical beyond all imagining: infinite differences, and diversity that is marked not by isolation but by shared atoms over millennia as well as minute - by - minute exchanges of oxygen and carbon dioxide between plants and animal.
The hydrogen - bearing material is volatile (easily vaporized), and may be in the form of water molecules (two hydrogen atoms bound to an oxygen atom) or hydroxyl molecules (an oxygen bound to a hydrogen) that are loosely bound to the lunar surface.
Within these clouds, on the surfaces of tiny dust grains, hydrogen atoms link with oxygen to form water.
Like hydrogen, oxygen, and iodine, nitrogen normally exists as two - atom molecules in the form of a gas at room temperature.
(The unusual form of hydrogen let scientists correct results for oxygen atoms lost in H2O, for instance when the bear urinated.)
Atoms of most elements, such as hydrogen, oxygen and carbon, form tight chemical bonds by sharing electrons with their neighbours in order to give each atom a stable configuration of electrons.
Of the two types of atom, oxygen has more pull on the electrons that they share to form the bonds between them, so the oxygen becomes slightly negatively charged and the hydrogens slightly positivOf the two types of atom, oxygen has more pull on the electrons that they share to form the bonds between them, so the oxygen becomes slightly negatively charged and the hydrogens slightly positivof atom, oxygen has more pull on the electrons that they share to form the bonds between them, so the oxygen becomes slightly negatively charged and the hydrogens slightly positive.
«Those electrons are driven into the upper atmosphere, collide with nitrogen and oxygen atoms and molecules, and then create a spray of secondary and tertiary radiation, likely in the form of gamma rays,» Tobiska says.
«One of our tasks is to determine the exact sequence of steps for breaking apart water and CO2 into atoms and piecing them back together to form ethanol and oxygen,» says William Goddard (PhD» 65), the Charles and Mary Ferkel Professor of Chemistry, Materials Science, and Applied Physics, who led the Caltech team.
Dust forms in space when searing - hot atoms of carbon, oxygen and silicon cool and...
The chemical feature that enables this suppression is a bond between two oxygen atoms — an unstable peroxide bridge that releases a tiny barrage in the form of free radicals (unpaired electrons) that can fracture parasite proteins the way an F5 twister tears apart barns.
The first - discovered high - pressure, high - temperature denser form, or phase, of silica is called coesite, which, like quartz, consists of building blocks of silicon atoms surrounded by four oxygen atoms.
«The nickel fragments that sputter off of the pellet react with the oxygen atoms to produce an oxidized form of nickel that gets deposited onto the semiconductor,» Lewis says.
Also, the supernova's light spectrum shows the presence of forms of carbon, nitrogen, and oxygen atoms that are considered unprecedented.
They think this involves oxygen and hydrogen atoms formed during or after the etching process, which attach themselves to the internal surface of the porous structure.
The researchers discovered that the unique manner in which the platinum and nickel atoms arrange themselves on the surfaces of these particles serves to optimally accelerate the chemical reaction between hydrogen and oxygen to form water.
Astronomers predicted that as the gas cooled after the explosion, large amounts of dust would form as atoms of oxygen, carbon, and silicon bonded together in the cold central regions of the remnant.
Nitrogen, in the form of nitric oxide (one nitrogen atom and one oxygen atom), has been detected for the first time on the surface of Mars by a team of researchers using the Sample Analysis at Mars (SAM) instrument suite aboard NASA's Curiosity rover, adding to the growing speculation that life could have once flourished on ancient Mars.
Jansone - Popova created the saturated form of the preorganized ligand — a cyclic amide containing a nitrogen atom and a carbon double - bonded to oxygen.
Composed of carbon, hydrogen, nitrogen and oxygen atoms (forming the CH3NCO molecule) a tragic methyl isocyanate gas leak caused thousands of deaths and injuries during what is considered to be the deadliest industrial accident in history — the Indian 1984 Bhopal disaster.
With no oxygen, water couldn't form (a molecule that consists of two hydrogen atoms and an oxygen atom).
Ozone, on the other hand, is a form of oxygen that is composed of three oxygen atoms.
When an electronically excited oxygen atom encounters an ozone molecule, they may combine to form two molecules of oxygen.
So, Chapman proposed that as soon as one of these oxygen atoms («free radicals») collided with an ordinary diatomic oxygen molecule, they would react together to form a single triatomic ozone molecule (Figure 18).
Ozone is one of the criteria air pollutants and is a form of oxygen, the molecule contains three oxygen atoms and has the same chemical structure whether it is found high in the atmosphere or at ground - level.
But when their temperature is lowered and they form a water molecule, the symmetry of the individual atoms is broken as they form a molecule with 105 degrees between the hydrogen - oxygen bonds.
Carbon dioxide (CO2) forms during coal combustion when one atom of carbon (C) unites with two atoms of oxygen (O) from the air.
a b c d e f g h i j k l m n o p q r s t u v w x y z