Web Results
pro·ton
[proh-ton]
NOUN [PHYSICS, CHEMISTRY.]
1.
a positively charged elementary particle that is a fundamental constituent of all atomic nuclei. It is the lightest and most stable baryon, having a charge equal in magnitude to that of the electron, a spin of ½, and a mass of 1.673 × 10−27 kg. Symbol: P
Source: Dictionary.com
Proton - Wikipedia
A proton is a subatomic particle, symbol p or p+ , with a positive electric charge of +1e elementary charge and mass slightly less than that of a neutron. Protons ... More »
protons | Define protons at Dictionary.com
dictionary.reference.com/browse/protons
The world's most popular free online dictionary with definitions, spell check, word origins, example sentences, audio pronunciations, Word of the Day and more!

www.dictionary.com/browse/proton

Proton definition, a positively charged elementary particle that is a fundamental constituent of all atomic nuclei. It is the lightest and most stable baryon, having a  ...

www.dictionary.com/browse/protons

Protons definition, a positively charged elementary particle that is a fundamental constituent of all atomic nuclei. It is the lightest and most stable baryon, having a  ...

whatis.techtarget.com/definition/proton

The number of protons in an element's nucleus is called the atomic number. This number gives each element its unique identity. In the atoms of any particular ...

www.merriam-webster.com/dictionary/proton

Define proton: physics : a very small particle of matter that is part of the nucleus of an atom and that has a positive electrical charge.

www.vocabulary.com/dictionary/proton

Atoms are made up of three main particles: protons, electrons, and neutrons. A proton has a positive electrical charge, while electrons are negative. The number  ...

quatr.us/chemistry/atoms/proton.htm

May 4, 2016 ... May 2016 - A proton is a tiny particle, smaller than an atom. Protons are too small to see, even with an electron microscope, but we know they ...

www.thoughtco.com/definition-of-proton-604622

Mar 30, 2016 ... This is the definition of a proton as the term is used in chemistry and physics, and a look at its electrical charge.