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Revisi per 9 April 2012 05.28

Atom hidrogen ialah atom yang berasal dari unsur kimia hidrogen. Muatan netral atom berisi satu proton bermuatan positif dan elektron bermuatan negatif yang terikat kepada nukleus oleh Hukum Coulomb. Atom hidrogen terdiri dari sekitar 75 % di alam semesta.^[1] In everyday life on Earth, isolated hydrogen atoms (usually called "atomic hydrogen") are extremely rare. Instead, hydrogen tends to combine with other atoms in compounds, or with itself to form ordinary hydrogen gas, H₂. "Atomic hydrogen," and "hydrogen atom," in ordinary English use have overlapping meanings. Sebagai contoh, a water molecule contains two hydrogen atoms, but does not contain atomic hydrogen (which would refer to isolated hydrogen atoms).

Referensi

^ Palmer, D. (13 September 1997). "Hydrogen in the Universe". NASA. Diakses tanggal 2008-02-05. Most of the universe's mass is not in the form of chemical elements. See dark matter and dark energy.

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[1] Palmer, D. (13 September 1997). "Hydrogen in the Universe". NASA. Diakses tanggal 2008-02-05. Most of the universe's mass is not in the form of chemical elements. See dark matter and dark energy.

[1]

@@ Baris 1: / Baris 1: @@
 {{terjemah|Inggris}}
 [[File:hydrogen atom.svg|thumb|200px|right|Depiction of a hydrogen atom showing the diameter as about twice the [[Bohr model]] radius. (Image not to scale)]]
-'''Atom hidrogen''' ialah [[atom]] yang berasal dari unsur kimia [[hidrogen]]. [[Muatan listrik|electrically]] neutral atom contains a single positively-charged [[proton]] and a single negatively-charged [[electron]] bound to the nucleus by the [[Coulomb force]]. Atomic hydrogen comprises [[abundance of the chemical elements|about 75% of the elemental mass of the universe]].<ref>
+'''Atom hidrogen''' ialah [[atom]] yang berasal dari unsur kimia [[hidrogen]]. [[Muatan listrik|Muatan netral]] atom berisi satu [[proton]] bermuatan positif dan elektron bermuatan negatif yang terikat kepada [[nukleus]] oleh [[Hukum Coulomb]]. Atom hidrogen terdiri dari [[kelimpahan unsur kimia|sekitar 75 % di alam semesta]].<ref>
 {{cite web
 |last=Palmer|first=D.
@@ Baris 9: / Baris 9: @@
 |date=13 September 1997
 |accessdate=2008-02-05
-}} Most of the universe's mass is not in the form of chemical elements. See [[dark matter]] and [[dark energy]].</ref>  In everyday life on Earth, isolated hydrogen atoms (usually called "atomic hydrogen") are extremely rare. Instead, hydrogen tends to combine with other atoms in compounds, or with itself to form ordinary hydrogen gas, H<sub>2</sub>. "Atomic hydrogen," and "hydrogen atom," in ordinary English use have overlapping meanings. For example, a water molecule contains two hydrogen atoms, but does not contain atomic hydrogen (which would refer to isolated hydrogen atoms).
+}} Most of the universe's mass is not in the form of chemical elements. See [[dark matter]] and [[dark energy]].</ref>  In everyday life on Earth, isolated hydrogen atoms (usually called "atomic hydrogen") are extremely rare. Instead, hydrogen tends to combine with other atoms in compounds, or with itself to form ordinary hydrogen gas, H<sub>2</sub>. "Atomic hydrogen," and "hydrogen atom," in ordinary English use have overlapping meanings. Sebagai contoh, a water molecule contains two hydrogen atoms, but does not contain atomic hydrogen (which would refer to isolated hydrogen atoms).
 == Referensi ==