different between hydrogen vs cyclopentanone
hydrogen
English
Etymology
From French hydrogène, coined by Louis-Bernard Guyton de Morveau, from Ancient Greek ???? (húd?r, “water”) + ?????? (genná?, “I bring forth”). Corresponding to hydro- + -gen.
Pronunciation
- (Received Pronunciation) IPA(key): /?ha?d??d?(?)n/
- (General American) enPR: h?'dr?j?n, IPA(key): /?ha?d??d??n/
- Hyphenation: hy?dro?gen
Noun
hydrogen (countable and uncountable, plural hydrogens)
- The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.00794.
- For quotations using this term, see Citations:hydrogen.
- Molecular hydrogen (H2), a colourless, odourless and flammable gas at room temperature.
- An atom of the element.
- A sample of the element.
Synonyms
- waterstuff
- E949 when used as a packaging agent
Hyponyms
- deuterium
- protium
- tritium
Derived terms
Related terms
Descendants
- ? Burmese: ????????????? (huikda.ruigyang)
Translations
References
- Hydrogen on the British Royal Society of Chemistry's online periodic table
Further reading
- hydrogen on Wikipedia.Wikipedia
Danish
Noun
hydrogen n (singular definite hydrogenet, not used in plural form)
- hydrogen
- Synonym: brint
Norwegian Bokmål
Noun
hydrogen n (definite singular hydrogenet) (uncountable)
- hydrogen (chemical element, symbol H)
Derived terms
Norwegian Nynorsk
Noun
hydrogen n (definite singular hydrogenet) (uncountable)
- hydrogen (chemical element, symbol H)
Derived terms
Welsh
Etymology
Borrowed from English hydrogen.
Pronunciation
- (standard) IPA(key): /?h?dr????n/
Noun
hydrogen m (uncountable, not mutable)
- hydrogen
- Synonym: (obsolete) ulai
Derived terms
References
- R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present) , “hydrogen”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies
hydrogen From the web:
- what hydrogen peroxide
- what hydrogen bonds
- what hydrogen peroxide is safe for teeth
- what hydrogen stock is amazon buying
- what hydrogen fuel cell
- what hydrogen peroxide is safe for ears
- what hydrogen used for
- what hydrogen bonds with water
cyclopentanone
English
Etymology
cyclopentane +? -one
Noun
cyclopentanone (plural cyclopentanones)
- (organic chemistry) The cyclic ketone derived from cyclopentane by formal replacement of two hydrogen atoms by an oxygen atom; any derivative of this compound
Translations
cyclopentanone From the web:
- what is cyclopentane used for
- what does cyclopentanone smell like
- what is the difference between pentane and cyclopentane
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