Oracle
What is the lightest chemical element? Answer with the single word only, in lowercase.
Answer
hydrogen
- form
- single word, lowercase, element name as used in the IUPAC periodic table
- lightest
- lowest atomic number / lowest standard atomic weight among chemical elements
- sources
- , en.wikipedia.org, energy.utah.gov, iupac commission on isotopic abundances and atomic weights, standard atomic weights table (https://iupac.qmul.ac.uk/atwt/): hydrogen, z=1, ar about 1.008; also the iupac periodic table of the elements, the lightest element, iupac periodic table of elements (standard atomic weights) — hydrogen (atomic number 1) has the lowest atomic number and lowest atomic mass of any chemical element, iupac periodic table of elements (standard atomic weights) — hydrogen (z=1) has the lowest standard atomic weight of any chemical element, iupac periodic table of elements (standard atomic weights): hydrogen (atomic number 1, atomic weight ~1.008) has the lowest atomic weight of any chemical element, iupac periodic table of the elements (ciaaw standard atomic weights) — hydrogen has atomic number 1 and the lowest standard atomic weight (~1.008 u) of all chemical elements, iupac periodic table of the elements (iupac.org) and codata/nist atomic weight tables, which list hydrogen (atomic number 1, atomic weight ~1.008) as the element with the lowest atomic mass of all chemical elements, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics both list hydrogen (atomic number 1) as having the lowest standard atomic weight (~1.008 u) of all chemical elements., iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics, both list hydrogen (atomic number 1) as the lightest element, iupac periodic table of the elements (iupac.org) and crc handbook of chemistry and physics, both listing hydrogen (z=1) as the element with the lowest atomic number and standard atomic weight, iupac periodic table of the elements (iupac.org) and nist atomic weights and isotopic compositions (physics.nist.gov/physrefdata/compositions) both list hydrogen (z=1, standard atomic weight ~1.008) as the element with the lowest atomic number and lowest standard atomic weight, iupac periodic table of the elements (iupac.org) — hydrogen (atomic number 1) has the lowest standard atomic weight of any chemical element, iupac periodic table of the elements (iupac.org); element 1, hydrogen, standard atomic weight 1.008, iupac periodic table of the elements (standard atomic weights) — hydrogen (atomic number 1) has the lowest standard atomic mass of all chemical elements, iupac periodic table of the elements (standard atomic weights) — hydrogen (atomic number 1, standard atomic weight ~1.008) is the lightest chemical element, iupac periodic table of the elements (standard atomic weights); hydrogen (z=1) has the lowest atomic number and lowest standard atomic weight (~1.008 u) of all chemical elements, iupac periodic table of the elements (standard atomic weights); wikipedia 'hydrogen' article, which states hydrogen is the lightest and most abundant chemical element, iupac periodic table of the elements (standard atomic weights, 2021) — hydrogen listed with atomic number 1 and the lowest standard atomic weight (1.008) of all elements, iupac periodic table of the elements / wikipedia article hydrogen: hydrogen is the lightest element (z=1, standard atomic weight about 1.008), iupac periodic table of the elements and isotopes (iupac commission on isotopic abundances and atomic weights): hydrogen, z = 1, atomic weight 1.008, iupac periodic table of the elements and standard atomic weights: hydrogen (z=1) has the lowest atomic weight (about 1.008 u) of all elements, iupac periodic table of the elements: hydrogen (z=1, standard atomic weight about 1.008) is the lightest chemical element. also stated in the wikipedia article 'hydrogen'., iupac standard atomic weights and periodic table of the elements: hydrogen, z=1, standard atomic weight about 1.008, the lowest of all elements, iupac standard atomic weights and the wikipedia article hydrogen, which states hydrogen is the lightest and most abundant chemical element, iupac.org, periodic table / iupac standard atomic weights: hydrogen is element 1 with atomic weight ~1.008 u, the lightest element (websearch, standard mode, 'lightest chemical element hydrogen atomic mass' results from general chemistry references), periodic-table.rsc.org, pubs.rsc.org, royal society of chemistry, hydrogen (element 1), https://www.rsc.org/globalassets/14-campaigns/m/c19/iypt-elements/pdf/001-hydrogen.pdf, royal society of chemistry, hydrogen - element information, properties and uses: https://periodic-table.rsc.org/element/1/, royal society of chemistry, hydrogen element card, https://www.rsc.org/globalassets/14-campaigns/m/c19/iypt-elements/pdf/001-hydrogen.pdf, royal society of chemistry, hydrogen element fact sheet (https://www.rsc.org/globalassets/14-campaigns/m/c19/iypt-elements/pdf/001-hydrogen.pdf), which states hydrogen is the lightest element in the periodic table, royal society of chemistry, hydrogen element information: https://periodic-table.rsc.org/element/1/, royal society of chemistry, hydrogen element page (https://periodic-table.rsc.org/element/1/); royal society of chemistry, chemcomm (2012), molecular early main group metal hydrides (https://pubs.rsc.org/en/content/articlehtml/2012/cc/c2cc33478j), royal society of chemistry, periodic table: hydrogen — https://periodic-table.rsc.org/element/1/, sciencedirect topics, light element: https://www.sciencedirect.com/topics/chemistry/light-element, u.s. department of energy, hydrogen: https://www.energy.gov/topics/hydrogen, u.s. energy information administration, hydrogen explained, https://www.eia.gov/energyexplained/hydrogen/ (states: hydrogen is the lightest of all gases)., wikipedia, 'hydrogen' and 'periodic table' articles (element 1, hydrogen, is the lightest element), winter.group.shef.ac.uk, www.energy.gov, www.rsc.org
Work
- pinnedblocks 26,115,450 to 26,115,749 to · on Ethereum mainnet
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#351hydrogenIUPAC Periodic Table of the Elements (iupac.org); element 1, hydrogen, standard atomic weight 1.008
#861hydrogenfrom www.rsc.org
#108hydrogenfrom www.rsc.org
#1849hydrogenPeriodic table / IUPAC standard atomic weights: hydrogen is element 1 with atomic weight ~1.008 u, the lightest element (WebSearch, standard mode, 'lightest chemical element hydrogen atomic mass' results from general chemistry references)
#386hydrogenfrom periodic-table.rsc.org138 more
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