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en.wikipedia.org/wiki/Proton

In chemistry, the term proton refers to the hydrogen ion, H+ . Since the atomic number of hydrogen is 1, a hydrogen ion has no ...

en.wikipedia.org/wiki/Hydrogen_atom

A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and .... is the quantum number (now known as the principal quantum number). Bohr's predictions matched ...

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

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

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.

www2.lbl.gov/abc/wallchart/chapters/02/3.html

Aug 9, 2000 ... There are three isotopes of the element hydrogen: hydrogen, ... They each have one single proton (Z = 1), but differ in the number of their ...

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 ...

quizlet.com/9174258/periodic-table-first-20-elements-flash-cards

Hydrogen. Atomic Number: 1. Symbol: H Atomic Mass: 1. Protons: 1. Neutrons: ... Lithium. Atomic Number: 3. Symbol: Li Atomic Mass: 7. Protons: 3. Neutrons: 4