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Hydrogen is a colorless, odorless gas. It is easily ignited. Once ignited it burns with a pale blue, almost invisible flame. The vapors are lighter than air. It is flammable over a wide range of …
The general name for the atom H, without regard for its nuclear mass, either for hydrogen in its natural abundance or where it is not desired to distinguish between the isotopes. The …
Quite apart from isotopes, it has been shown that under ordinary conditions hydrogen gas is a mixture of two kinds of molecules, known as ortho- and para-hydrogen, which differ from one …
Naming and classification of hydrogen
What is Hydrogen Gas? Hydrogen is the non-metal with the chemical symbol H. The molecular formula of hydrogen is H 2. Hydrogen has been recognized as a convenient, clean-burning …
Learn about Hydrogen Gas, its properties, structure, uses, and FAQs. Understand the chemical and physical properties of Hydrogen Gas, its applications and more.
Under standard conditions, hydrogen is a gas of diatomic molecules with the formula H2, called dihydrogen, or sometimes hydrogen gas, molecular hydrogen, or simply hydrogen. Dihydrogen …
The three isotopes of hydrogen gas molecules are represented as H 2 (dihydrogen), D 2 (di-deuterium), and T 2 (di-tritium). The chemical properties of all these gas molecules are …
16 thg 5, 2015 · Antoine Lavoisier suggested the name ‘hydrogene’ in 1783 and hydrogen was adopted soon after. Name Origin: Hydro (Greek for “water”) Gene (Greek for “forming”). …
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the …
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