Sentences with phrase «as hydrogen atoms»

As hydrogen atoms move about in space, they can absorb small amounts of energy, sending the atom's single electron to a higher energy state.

Under similar pressures but higher temperatures, it has been suggested that ice X could possibly transform into a phase of ice that can conduct electricity as hydrogen atoms move freely around the oxygen lattice.

Not exact matches

Methane — a compound made up of one carbon atom bonded to four of hydrogen — is, according to the Intergovernmental Panel on Climate Change, 25 times as potent as carbon dioxide.

As a comparison, homeopath claims is like finding a «magic» hydrogen atom among several Earth's worth of hydrogen atoms.

Cosmic and biological evolution involve change in structures — as, for example, when electrons and protons form hydrogen atoms.

Entities manifesting vitality and consciousness are examples of societies of occasions that do not conform as rigidly to their past as do the occasions of a hydrogen atom or the Rocky Mountains.

The question I now put and leave as a question for the moment is this: is anything else going on in the self - organization of snow flakes and the self - organization of hydrogen atoms that led to the universe and us?

As for what they were doing, once the universe was cool enough to form hydrogen atoms, it was also cool enough for those elements to start interacting with each other and combining into molecules.

As the gas becomes denser, two hydrogen atoms could occasionally combine to form a single hydrogen molecule.

There are basically two types of lines, those produced by collisions between the atoms or ions and the electrons in the surrounding gas, which are called collision lines, and which are very bright for elements such as oxygen, nitrogen and neon, and lines which are produced when ions capture free electrons, which are called recombination lines, and which are bright only for those gases with the highest abundances in the interstellar medium: hydrogen and helium.

Clumpiness begot more clumpiness, as gravity pulled more matter into these dense regions, and clouds of gas, composed mostly of hydrogen atoms, began to assemble.

As hydrocarbon gases sink toward their cores, increasing pressure squeezes out the hydrogen atoms and presses the remaining carbon into diamond, which travels through the planet's heart as very pricey precipitatioAs hydrocarbon gases sink toward their cores, increasing pressure squeezes out the hydrogen atoms and presses the remaining carbon into diamond, which travels through the planet's heart as very pricey precipitatioas very pricey precipitation.

«Because of the simplicity of the hydrogen atom, it acts as a benchmark for multi-electron atoms or molecules.»

Like hydrogen, oxygen, and iodine, nitrogen normally exists as two - atom molecules in the form of a gas at room temperature.

Newman, who as a teen developed a fascination with turbulence as a rafting guide in Colorado, arrived at Oak Ridge in 1993 to explore a different kind of turbulence: the plasma of fusing hydrogen atoms inside experimental fusion reactors.

Crucially, the pattern was a projection of the spacings of the energy levels in the hydrogen atom, as laid out in the wave function, with bright rings where electrons were present and dark lanes where they were not (Physical Review Letters, doi.org/mmz).

That made sense as a solar power source, because a proton is the nucleus of a hydrogen atom and stars are made mostly of hydrogen.

18 Magnetic Resonance Imaging (MRI) machines generate a field 60,000 times as intense as the earth's to vibrate the hydrogen atoms in your body; in response, the atoms emit radio waves that are analyzed to produce a map of your insides.

As our solar system slowly orbits around the galactic center, the sun's ultraviolet radiation carves out an egg - shaped region of ionized hydrogen atoms surrounded by neutral hydrogen gas.

Representing the 6,000 physicists who work on two separate detectors at the Large Hadron Collider (LHC), called CMS and ATLAS, two spokespersons said that both experiments seemed to agree, as both their data sets suggested that the Higgs has a mass close to that of about 125 hydrogen atoms.

Accordingly, the vast, cloud - like objects that glow with this light from hydrogen (and other) atoms are known as emission nebulae.

In the future, Goulielmakis hopes to produce light pulses of 24 attoseconds, the atomic unit of time, defined as how long it takes an electron to travel from one side of a hydrogen atom to the other.

In recent years researchers have achieved better performance with compounds such as lithium borohydride, in which the metal atoms form weaker, ionic bonds with groups containing several hydrogen atoms.

Water molecules can exist as one of two isomers, depending on how the spins of their two hydrogen atoms are orientated: ortho, where the nuclear spins are parallel to one another, and para, where the spins are antiparallel.

As the team heated the argon film to 19 kelvin, the hydrogen atoms began to stir.

There are two types of unsaturated fats: monounsaturated fats such as olive oil, which are missing one pair of hydrogen atoms, and polyunsaturated fats such as soy, corn, and canola oils, which lack more than one pair.

For about 150 million years after the Big Bang, the Universe was a «dark» place, made of just hydrogen and helium atoms, as the first stars had yet to be formed.

Electron - rich aromatic molecules such as benzene can use their surplus of electrons to react with electron - poor, positively charged species, enabling benzene to exchange one of its hydrogen atoms for the electrophilic group to make a new, substituted benzene.

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.

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.

The observatories are designed to detect changes as small as a hundred millionth the size of a hydrogen atom.

Herein we demonstrate that a photoredox - mediated hydrogen atom transfer protocol can efficiently and selectively install deuterium (D) and tritium (T) at α - amino sp3 carbon - hydrogen bonds in a single step, using isotopically labeled water (D2O or T2O) as the source of hydrogen isotope.

Light interacting with hydrogen atoms enclosed in hollow cages composed of carbon atoms — referred to as fullerene material — produces ionisation.

The particles did not scatter as much as expected, indicating they were hitting an unexpectedly small number of hydrogen atoms.

Just as the quartz crystal in a Swiss watch keeps time by vibrating at a steady frequency (about 32,000 cycles per second), the maser coaxes a supply of specially selected hydrogen atoms to emit radio waves at an unwavering 1.42 billion cycles per second.

In one kind of epigenetic change, known as DNA methylation, a methyl group (a carbon atom plus three hydrogen atoms) is added to a portion of DNA; it essentially flips a gene's switch to the «off» position, shutting down the often - crucial function it performs.

Experiments with this DNA origami positioning device showed that it could be capable of precisely placing molecules, adjusting the distance between them in steps as small as the radius of a hydrogen atom.

As the water boiled away, the hydrogen escaped into interstellar space while the oxygen came back down and bonded with carbon atoms.

One of the pictures accompanying the Daily Mail article showed the hexagonal shapes of five carbon rings as well as the positions of the hydrogen atoms around these rings.

Back then, all stars needed to form was a primordial soup of mostly hydrogen and some helium atoms, perturbed by the effects of gravity on minuscule differences in the density of the gases, and the mysterious substance known as dark matter.

It turns out that the answer lies in the interaction between the bonds that hold the atoms in the water molecule together and the much weaker bonds, known as hydrogen bonds, that are the glue holding groups of water molecules together.

Today, most phosphorus enters the world's ecosystems as granite and other rocks weather over time, releasing the molecule orthophosphate: a phosphorus atom linked to a hydrogen and four oxygens.

Zapped by radio waves, hydrogen atoms lose their electrons and are transformed into a plasma as hot as the sun.

For example, questions such as «What happens to the rest of the bonds in a chain of carbon rings if you pinch a hydrogen atom off the end?»

Slight differences in water content (most of the hydrogen atoms buzzed by the magnet are tied up in water) show up as shades of gray, revealing bone, cartilage, or clusters of neurons deep inside the brain.

Under such conditions, the carbon atoms of the CFCs ended up as carbon monoxide and carbon dioxide, the chlorine atoms as ethyl chloride, and the fluorine atoms as hydrogen fluoride.

The link between energy and water is not always apparent, but the two are as intertwined as the hydrogen and oxygen atoms in a bottle of Evian.

The cosmos as we know it started to take shape when atoms and ions paired up to form molecular hydrogen, which expelled heat out of the gas clouds, allowing them to cool down enough to form the first stars.

Odorants such as acetophenone and deuterated acetophenone, for example, have the same molecular structure; one is just built from a slightly heavier hydrogen atom, known as deuterium.

Most researchers thought that as getters like DEB bind with more hydrogen atoms and enlarge, they become more volatile.