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A <b>proton</b> is a [[subatomic particle]] with a [[mass]] of {{nowrap|1.672 621 637 & ...d uncertainty |url=http://physics.nist.gov/cgi-bin/cuu/Value?mp|search_for=proton+mass |publisher=[[National Institute of Standards and Technology]] |accessd

..., having the [[chemical symbol]] Sn and [[atomic number]] (the number of [[proton]]s) of 50, with a [[Atomic mass#Standard atomic weights of the elements|s

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...the electrical charge both on an [[Electron|electron]] and on a [[Proton|proton]]. It was first measured by Robert Millikan in 1909 using his [[Millikan Oi As the proton carries a positive charge, the magnitude of its charge is designated +e, wh

An '''Alpha Particle X-Ray Spectrometer''' ('''APXS''') or '''Alpha Proton X-Ray Spectrometer''' ('''APXS''') for the Pathfinder mission, is a device ...de. This method was only used in the Pathfiner APXS for the Mer Rovers the proton detector was substituted by a second alpha particle sensor.

...pin, i.e., an odd multiple of one-half. Examples include the electron, the proton, and the neutron.

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...a [[black hole]] instead of a neutron star. Unlike the [[neutron]]s and [[proton]]s in an atomic [[Nucleus_(disambiguation)|nucleus]], which are bound toget

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...e concentration of the positively charged hydrogen ion, [H⁺], a proton, the concentration often expressed in terms of the common acidity index, pH ...oton off the adjacent molecule, which repeats the hop, which kicks another proton on etc. &mdash; in a kind of concerted transport through water, similar to

...ions]] on dissolving in water. Although acids are most often thought of as proton (H⁺) or [[hydronium ion]] ([H₃O]⁺) donors, ...e Arrhenius]], an acid is defined as a species that provides or releases a proton (H⁺ ion). For an acid, this is very similar to the Brønstad-Low

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Auto-populated based on [[Special:WhatLinksHere/Proton pump inhibitor]]. Needs checking by a human.

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