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Hidrogen,  1H
Hydrogen discharge tube.jpg
Bercahaya ungu dalam kondisi plasma
Hydrogen Spectra.jpg
Garis spektrum Hidrogen
Sifat umum
Nama, simbolhidrogen, H
Pengucapan/ˈhdrən/[1] HYE-dro-jin
HY-drə-jən
Penampilangas tak berwarna dengan nyala ungu dalam keadaan plasma
Hidrogen di tabel periodik
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Litium (alkali metal)
Berilium (alkaline earth metal)
Boron (metalloid)
Karbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oksigen (diatomic nonmetal)
Fluor (diatomic nonmetal)
Neon (noble gas)
Natrium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silikon (metalloid)
Fosfor (polyatomic nonmetal)
Belerang (polyatomic nonmetal)
Klor (diatomic nonmetal)
Argon (noble gas)
Kalium (alkali metal)
Kalsium (alkaline earth metal)
Skandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Kromium (transition metal)
Mangan (transition metal)
Besi (transition metal)
Kobalt (transition metal)
Nikel (transition metal)
Tembaga (transition metal)
Seng (transition metal)
Galium (post-transition metal)
Germanium (metalloid)
Arsenik (metalloid)
Selenium (polyatomic nonmetal)
Bromin (diatomic nonmetal)
Kripton (noble gas)
Rubidium (alkali metal)
Stronsium (alkaline earth metal)
Itrium (transition metal)
Zirkonium (transition metal)
Niobium (transition metal)
Molibdenum (transition metal)
Teknesium (transition metal)
Rutenium (transition metal)
Rodium (transition metal)
Paladium (transition metal)
Perak (transition metal)
Kadmium (transition metal)
Indium (post-transition metal)
Timah (post-transition metal)
Antimon (metalloid)
Telurium (metalloid)
Yodium (diatomic nonmetal)
Xenon (noble gas)
Sesium (alkali metal)
Barium (alkaline earth metal)
Lantanum (lanthanide)
Serium (lanthanide)
Praseodimium (lanthanide)
Neodimium (lanthanide)
Prometium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Disprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Tulium (lanthanide)
Iterbium (lanthanide)
Lutesium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Renium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Emas (transition metal)
Raksa (transition metal)
Talium (post-transition metal)
Timbal (post-transition metal)
Bismut (post-transition metal)
Polonium (post-transition metal)
Astatin (metalloid)
Radon (noble gas)
Fransium (alkali metal)
Radium (alkaline earth metal)
Aktinium (actinide)
Torium (actinide)
Protaktinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Amerisium (actinide)
Kurium (actinide)
Berkelium (actinide)
Kalifornium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrensium (actinide)
Ruterfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hasium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Kopernisium (transition metal)
Nihonium (unknown chemical properties)
Flerovium (post-transition metal)
Moskovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tenesin (unknown chemical properties)
Oganeson (unknown chemical properties)
-

H

Li
- ← hidrogenHelium
Nomor atom (Z)1
Golongan, blokgolongan 1, blok-s
Periodeperiode 1
Kategori unsur  nonlogam
Bobot atom standar (Ar)1,008[2] (1,00784–1,00811)[3]
Konfigurasi elektron1s1
per kelopak
1
Sifat fisika
Warnatak berwarna
Fasegas
Titik lebur13,99 K ​(−259,16 °C, ​−434,49 °F)
Titik didih20,271 K ​(−252,879 °C, ​−423,182 °F)
Kepadatan pada sts (0 °C dan 101,325 kPa)0,08988 g/L
saat cair, pada t.l.0,07 (0,0763 padat)[4] g/cm3
Titik tripel13,8033 K, ​7,041 kPa
Titik kritis32,938 K, 1,2858 MPa
Kalor peleburan(H2) 0,117 kJ/mol
Kalor penguapan(H2) 0,904 kJ/mol
Kapasitas kalor molar(H2)
28,836 J/(mol·K)
Tekanan uap
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K)         15 20
Sifat atom
Bilangan oksidasi−1, +1 ​oksida amfoter
ElektronegativitasSkala Pauling: 2,20
Jari-jari atomempiris: 25 pm
perhitungan: 53 pm
Jari-jari kovalen37 pm
Jari-jari van der Waals120 pm
Lain-lain
Struktur kristalheksagon
Struktur kristal Heksagonal untuk hidrogen
Kecepatan suara(gas, 27 °C) 1310 m/s
Konduktivitas termal180,5 m W/(m·K)
Arah magnetdiamagnetik[5]
Nomor CAS1333-74-0
Sejarah
PenemuanH. Cavendish[6][7] (1766)
Asal namaA. Lavoisier[8] (1783)
Isotop hidrogen terstabil
Iso­top Kelim­pahan Waktu paruh (t1/2) Moda peluruhan Pro­duk
1H 99.98% 1H stabil dengan 0 neutron
2H 0.02% 2H stabil dengan 1 neutron
3H trace 12.32 y β 3He
| referensi | di Wikidata

Navigasi unsur

hidrogenPT
 ← → He

Referensi

  1. ^ Simpson, J.A.; Weiner, E.S.C. (1989). "Hydrogen". Oxford English Dictionary. 7 (edisi ke-2nd). Clarendon Press. ISBN 0-19-861219-2. 
  2. ^ Conventional Atomic Weights 2013. Commission on Isotopic Abundances and Atomic Weights
  3. ^ Standard Atomic Weights 2013. Commission on Isotopic Abundances and Atomic Weights
  4. ^ Wiberg, Egon; Wiberg, Nils; Holleman, Arnold Frederick (2001). Inorganic chemistry. Academic Press. hlm. 240. ISBN 0123526515. 
  5. ^ Magnetic susceptibility of the elements and inorganic compounds (PDF). CRC Handbook of Chemistry and Physics (edisi ke-81st). CRC Press. 
  6. ^ "Hydrogen". Van Nostrand's Encyclopedia of Chemistry. Wylie-Interscience. 2005. hlm. 797–799. ISBN 0-471-61525-0. 
  7. ^ Emsley, John (2001). Nature's Building Blocks. Oxford: Oxford University Press. hlm. 183–191. ISBN 0-19-850341-5. 
  8. ^ Stwertka, Albert (1996). A Guide to the Elements. Oxford University Press. hlm. 16–21. ISBN 0-19-508083-1.