Sentences with phrase «negatively charged atoms»

Typically, and logically, a positively charged hydrogen atom bonds to a negatively charged atom of oxygen, nitrogen or fluorine.
Here, a reactive species, usually a negatively charged atom or molecule, attacks an organic molecule in a way that this molecule repels a currently bonded partner in order to create the new bond.
To create arsenic - catching chemicals, the Sandia developers first selected mineral families known to attract negatively charged atom groups, or anions, such as the arsenic - containing compound arsenate.

Not exact matches

Due to the high temperatures and intense radiation present, these atoms initially existed in an «ionized» state: The negatively charged electrons had been stripped from positively charged protons, leaving behind positive hydrogen ions (essentially, just protons).
These atoms are made up one positively and one negatively charged elementary particle, also known as muons.
The first method involves colliding a negatively charged muon and a muonium atom made up of a positive muon and an electron.
The reaction (and the subsequent annihilation of the positron when it collides with a negatively charged electron) produces a stable carbon - 13 atom and two gamma rays with a very particular energy — often used to detect cosmic rays.
Their theory showed how a film of negatively charged electrons covering the palladium could combine with positively charged protons from the water's hydrogen atoms to form neutrons.
These protons yank negatively charged electrons from their orbits around atoms within molecules.
Water molecules are made up of one negatively charged oxygen atom and two positively charged hydrogen atoms.
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 positive.
The engine creates thrust by accelerating xenon ions — atoms stripped of one or more electrons, giving them a positive charge — through the negatively charged grid and spewing them out the back of the ship at 4,000 miles per hour.
An «NV -» center can be created within a diamond's scaffold - like structure by replacing a missing carbon atom with a nitrogen atom (N) that has trapped an electron making the center negatively charged.
The electrical current then busts apart the CO2 molecules through a process called electrolysis, and the carbon atoms swarm to the negatively charged electrode.
As a constituent atom in a molecule or complex, halogens therefore tend to be negatively charged.
Yet, halogen atoms in molecules can attract other negatively charged species via a noncovalent interaction known as halogen bonding.
The saying «opposites attract» certainly applies to hydrogen bonds, which are made of one negatively and one positively charged atom.
Whether they choose to eat sugar, sunlight, or filet mignon, cells ultimately derive their energy by shuffling electrons, the negatively charged particles that flitter in atoms and molecules.
But when compounds contain unequal numbers of negatively and positively charged ions, repulsion between atoms with the same charge may drive the structure to become unstable under pressure.
Gases (such as air, which has an equal number of positive and negative charges) become plasma when energy (such as heat or electricity) causes some of the gas's atoms to lose their negatively charged electrons, creating atoms with a positive charge, or positive ions, surrounded by the newly detached electrons.
Each cluster consists of hydrogen molecules arranged around a negatively charged hydrogen ion — a single hydrogen atom with an extra electron — at temperatures near absolute zero, the researchers report in the Dec. 30 Physical Review Letters.
All the elements in the periodic table consist of atoms with a nucleus of positively charged protons, orbited by the same number of negatively charged electrons.
The polymers bond to biological tissues via three mechanisms — electrostatic attraction to negatively charged cell surfaces, covalent bonds between neighboring atoms, and physical interpenetration — making the adhesive extremely strong.
The hydrogen atom consists of a single negatively charged electron bound to a single positively charged proton.
In the end, the strong separation of negatively charged electrons and now positively charged atoms, or ions, creates the forces that accelerate an ion beam toward the tumor.
When the antiprotons are close together, the strong force interaction overcomes the tendency of the like (negatively) charged particles to repel one another in the same way it allows positively charged protons to bind to one another within the nuclei of ordinary atoms.
The team used a novel technique that involves replacing the electrons in hydrogen atoms with negatively charged particles called muons, and then measuring subtle shifts in the energy that is required to bump a muon into a higher - energy orbit around the single - proton nucleus.
Results: When studying an atom's ability to attract nearby electrons, scientists rely on electronegativity scales, which describe each atom's ability to pull in these negatively charged particles.
This study answers a fundamental question about the behavior of large, negatively charged ions with multiple atoms, called polyoxyanions.
Around these defects sit negatively charged oxygen atoms.
You know how atoms are made of a positively charged nucleus surrounded by negatively charged electrons?
Due to the simplicity of hydrogen atoms, those pieces are positively charged protons and negatively charged electrons.
Like good gardeners, the team trimmed a few pendant amines off their catalyst, leaving only enough to make the protons stand out, ready to accept a negatively charged hydrogen atom.
The pendant amine's proton is positive, while the nickel atom is holding on to a negatively charged hydrogen.
These chemicals contain the negatively charged groups of atoms that give cocoa and many other things their bitter taste
There are three possible «states of silver» that are created purposefully via the electrolysis method: Ionic silver (Ag +), charged silver particles, which are clusters of negatively charged silver atoms (AG --RRB-, and metallic silver particles (charged silver particles can agglomerate and drop out of the colloidal suspension).
Abundant in nature, especially around waterfalls and the ocean, and in forests, negative ions are oxygen atoms with negatively - charged electrons.
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