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Colourless, odourless, lighter-than-air gas. The most common chemical element in the universe.
hydrogen, hydrogen gas, hydrogen molecule, molecule, homonuclear molecule, reducer, covalent bond, single bond, sigma bond, nonpolar, knallgas, Universe, stars, rocket, inorganic chemistry, chemistry
Hydrogen atoms within hydrogen molecules are held together by a covalent bond.
A fuel cell provides environment-friendly electric energy produced by the chemical reaction between oxygen and hydrogen.
A compound ion formed when a water molecule releases a proton.
One of the hydrogen halides, it is used for the production of alkyl bromides.
An exercise about different types of bonds.
A colourless, odourless, non-reactive gas, it constitutes 78.1% of Earth´s atmosphere.
A colourless, odourless gas, an important component of the atmosphere, indispensable to sustain terrestrial life.
Knallgas is the mixture of hydrogen and oxygen. It will explode when ignited.
This animation demonstrates the structure of nitrogen molecules, with one sigma and two pi bonds holding the atoms together.
Water is a very stable compound of hydrogen and oxygen, vital for all known forms of life. In nature it occurs in liquid, solid and gaseous state.
A Zeppelin is a type of controllable, rigid airship.
Atoms within hydrogen halides are bound by covalent bonds, forming polar molecules.
A colourless gas with a pungent odour, its solution in water is called hydrochloric acid.
One of the hydrogen halides, a highly aggressive substance - it even attacks glass.
A colourless, heavier-than-air gas with a pungent odour.
The presence of hydronium ions relative to hydroxide ions determines a solution´s pH.
The compound of hydrogen and oxygen. Colourless, odourless liquid; heavier than water.
A colourless, toxic gas with the characteristic odour of rotten eggs. It occurs in certain mineral waters and spring waters.