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en.wikipedia.org/wiki/Hydrogen_ion

A hydrogen ion is created when a hydrogen atom loses or gains an electron. A lone positively charged hydrogen ion (or proton) can readily combine with other ...

en.wikipedia.org/wiki/Isotopes_of_hydrogen

Hydrogen (H) has three naturally occurring isotopes, sometimes denoted 1H, 2H, and 3H. The ... The ordinary isotope of hydrogen, with no neutrons, is sometimes called "protium". ... Deuterium comprises 0.0026 – 0.0184% (by population, not by mass) of hydrogen samples on Earth, with the lower number tending to be ...

www.hobart.k12.in.us/ksms/PeriodicTable/hydrogen.htm

Name, Hydrogen. Symbol, H. Atomic Number, 1. Atomic Mass, 1.00794 atomic mass units. Number of Protons, 1. Number of Neutrons, 0. Number of Electrons, 1 .

www.chemicalelements.com/elements/h.html

Hydrogen at Chemical Elements.com. Basic Information ... Hydrogen Symbol: H Atomic Number: 1 ... Number of Protons/Electrons: 1. Number of Neutrons: 0

www.quora.com/How-many-protons-neutrons-and-electrons-does-hydrogen-have

Hydrogen has one proton by definition. Hydrogen can have any number of electrons and still be hydrogen. To be electrically neutral, it must have one electron.

www.thoughtco.com/protons-neutrons-and-electrons-in-an-atom-603818

Feb 6, 2017 ... The periodic table is arranged in order of increasing atomic number, so the number of protons is the element number. For hydrogen, the ...

digipac.ca/chemical/molemass/massnum.htm

Atom, Protons, + Neutrons, = Mass Number. Hydrogen-1, 1, 0, 1. Hydrogen-2, 1, 1, 2. Oxygen-16, 8, 8, 16. Oxygen-17, 8, 9, 17. Oxygen-18, 8, 10, 18. Chlorine-35  ...

www.boundless.com/chemistry/textbooks/boundless-chemistry-textbook/nonmetallic-elements-21/hydrogen-148/isotopes-of-hydrogen-573-3644

Hydrogen has three naturally occurring isotopes: protium, deuterium and tritium. ... Forms of an element where the atoms have a different number of neutrons ...

education.jlab.org/qa/hydrogen_01.html

The atomic number is equal to the number of protons in an atom's nucleus. Hydrogen's atomic number is 1 because all hydrogen atoms contain exactly one  ...