Sentences with phrase «oxygen atom»

While they show that there is indeed an influence on a molecule's radiative efficiency with respect to whether a CF3 group is bonded to the ether oxygen atom or whether it is more removed from the ether oxygen, for example, their study misses the underlying fundamental molecular properties responsible for radiative efficiency.

Sunlight can readily split ozone into an oxygen molecule and an individual oxygen atom.

The chlorine atom and the oxygen atom join to form a chlorine monoxide molecule (ClO).

When an electronically excited oxygen atom encounters an ozone molecule, they may combine to form two molecules of oxygen.

UV radiation A free oxygen atom pulls the oxygen atom off the chlorine monoxide molecule to form O2.

When an electrically excited free oxygen atom encounters an oxygen molecule, they may bond to form ozone.

The first is to produce the oxygen atom from oxygen molecules.

Ozone production requires something that is not oxygen, to hold onto a single oxygen atom for some period of time, until an oxygen molecule can come along and become ozone.

For the important ultraviolet photons which are desired to be removed from the solar radiation are those less energetic photons which decompose the ozone molecules to produce another oxygen atom which again can reform another ozone molecule.

When split water you get 2 hydrogen atoms for every oxygen atom, and the atomic mass is 2 H and 16 O. Or in terms of mass you get 8 times the oxygen as compared to hydrogen.

«The net effect of this is that, although the total electronic charge on the molecule balances the total nuclear charge, each oxygen atom carries a small net negative charge, and a balancing positive charge is associated with the carbon atom.

A little olivine crystal in the Bunbury Basalt, for instance, or whether it's in the lava fields of Hawaii — taking it down to the nitty gritty in theoretical chemistry is the magnesium, iron and oxygen atom, which they do in Year 9 in looking at ionic compounds.

It is the addition of the third oxygen atom that gives ozone its remarkable medical properties by making it a «supercharged» oxygen atom.

Ketosis comes from the root word ketones and indicates a carbon atom with two side groups bonded to an oxygen atom.

The researchers determined that the holes became trapped in «oxygen vacancies» — places within the crystal lattice where an oxygen atom is missing.

Any chemical that contains a hydroxyl group, which is an oxygen atom bound to a hydrogen atom.

With no oxygen, water couldn't form (a molecule that consists of two hydrogen atoms and an oxygen atom).

carbon monoxide A toxic gas whose molecules include one carbon atom and one oxygen atom.

The polymer and the agent form hydrogen bonds, weak electrostatic connections between polymer's hydrogen and an agent's oxygen atom.

The method is based on low - temperature atomic force microscopy (AFM) and uses a copper - based probe tip, which is terminated by a single oxygen atom.

Normally, two atoms of hydrogen join to an oxygen atom to make a water molecule, but sometimes the heavy (and rare) deuterium takes a hydrogen atom's place.

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.

In most zeolite catalysts, nitric oxide is essentially a barbell combining a nitrogen atom and an oxygen atom.

Water molecules consist of two hydrogen atoms and one oxygen atom.

That leaves the other oxygen atom alone.

A neutral oxygen vacancy, a place where an oxygen atom should appear in the lattice but is instead replaced by two electrons, is represented by the yellow shape, which depicts the charge density of those electrons.

They took a common defect called a neutral oxygen vacancy — a place where an oxygen atom should appear in the lattice but instead two electrons are trapped.

Metal oxides are trickier: an occasional oxygen atom is missing, causing what Mavrikakis calls «oxygen defects.»

The hydroxyl radical consisting of one hydrogen and one oxygen atom, is one of the most common free radicals in the air and is therefore often referred as the detergent of the atmosphere.

A nitric oxide molecule consists of one nitrogen atom and one oxygen atom.

Early in 1969, Snyder and Buhl set up shop at NRAO's Green Bank Telescope in West Virginia and chose their first target: formaldehyde, an organic molecule made up of two hydrogen atoms and an oxygen atom tethered to an atom of carbon.

«We chose to selectively excite the double bond between the carbon and oxygen atom of acetone into oscillation and analysed the responses in detail,» explains Annette Pietzsch.

He said scientists suspected that the DNA polymerase was inserting nucleotides that were damaged by carrying an additional oxygen atom.

Ideally, you'd also measure other gases like carbon dioxide and carbon monoxide [a molecule with one carbon atom and one oxygen atom].

«A carbon monoxide molecule adsorbed onto the tip of the AFM «needle» leaves a single oxygen atom as the probe,» Fischer explains.

The zinc atom is missing and a nitrogen atom (attached to a hydrogen atom) substitutes for the oxygen atom.

An atmospheric water molecule can be broken apart by sunlight, releasing the two hydrogen atoms from the oxygen atom that they had been bound to.

«As a result of screening about 200 compounds, we found that (3 - furyl) diphenylmethane (chem7), which is a triarylmethane that contains 2 phenyl groups and a furyl (a 5 - membered aromatic ring containing 4 carbons and an oxygen atom in the ring) group, had strong inhibitory activity on plant cell division,» says Ueda.

After breaking away from the molecule in the strong laser field, the electron returned and was scattered on a molecular ion, which resulted in the molecule dissociation into a positive nitrogen ion and an oxygen atom.

Normal ice is composed of water molecules, each made of an oxygen atom bonded to two hydrogen atoms.

The white, blue and red balls represent carbon, nitrogen and oxygen atom respectively.

Oxygen radicals normally react haphazardly with other molecules and quickly fall apart, so scientists would have expected only a single oxygen atom to result.

Normally, one metal atom (either barium or calcium) can react with an oxygen atom to produce a stable molecule.

In contrast to previous methods, the bond between the oxygen atom at the tip and copper base is particularly strong, thereby reducing imaging artefacts to a minimum.

For example, in water (H2O) the sole oxygen atom is bound to two hydrogen atoms, and the two bonds constantly change in length.

Here, passivation means that the oxygen atom reduces undesired interaction between the atoms of the tip and the atoms in the molecules under investigation.

The scientists found that the reaction on Fe - ZSM - 5 is based on adsorption of nitrogen monoxide via a positively charged oxygen atom.

But any closer investigation of ice and its remarkable properties has to start with water molecules — each with one oxygen atom joined to two hydrogen atoms.

Opposite charges attract, so water molecules tend to stick to each other as a positive hydrogen atom of one molecule attaches itself to the oxygen atom of its neighbour.

Water is a simple molecule resembling a pair of Mickey Mouse ears: two hydrogen atoms grab a single oxygen atom.