Proton
The 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 and neutrons, each with mass approximately one atomic mass unit, are collectively referred to as "nucleons". One or more protons are present in the nucleus of every atom. The number of protons in the nucleus is the defining property of an element, and is referred to as the atomic number. Since each element has a unique number of protons, each element has its own unique atomic number. The word proton is Greek for "first", and this name was given to the hydrogen nucleus by Ernest Rutherford in 1920. In previous years Rutherford had discovered that the hydrogen nucleus (known to be the lightest nucleus) could be extracted from the nuclei of nitrogen by collision. The proton was therefore a candidate to be a fundamental particle and a building block of nitrogen and all other heavier atomic nuclei.
In the modern Standard Model of particle physics, the proton is a hadron, and like the neutron, the other nucleon (particle present in atomic nuclei), is composed of three quarks. Although the proton was originally considered a fundamental or elementary particle, it is now known to be composed of three valence quarks: two up quarks and one down quark. The rest masses of the quarks contribute only about 1% of the proton's mass, however. The remainder of the proton mass is due to the kinetic energy of the quarks and to the energy of the gluon fields that bind the quarks together. Because the proton is not a fundamental particle, it possesses a physical size; the radius of the proton is about 0.84–0.87 fm.
Podcasts:
Protons
ALBUMS
- World Wide Renewal Program released: 2008
-
by Burdens
-
by Burdens
-
by Burdens
-
by Burdens
-
by Burdens
-
by Burdens
-
by Burdens
-
by Burdens
-
by Burdens
-
by Burdens
-
by Pertness
-
by Pertness
-
by Pertness
-
by Pertness
-
by Pertness
-
by Pertness
-
by Pertness
-
by Pertness
-
by Pertness
-
by Pertness
-
by Pertness
Wolf Of Want
by: BurdensWe are a curse.
Disgusting and diseased.
No better than the rats that fill our streets.
We all will fall to produce the feed,
That douses the hunger of the machine.
No solace, catharsis, no crowning of kings.
You live as a drone.
Your life has no meaning.
My life has no meaning.
Our lives have no meaning.
We are all dead.
Enslaving the masses.
Obstructing the peace.
Raping the empires.
Feeding our greed.
We have killed them all.
We have brought on
Destruction, plague, death.
Our hands are never clean.
Manifest destiny achieved.
Life brings no new meaning.
Open your eyes, breathe in new life.
You live just to die. You follow false light.
Clawing and clawing to feel your insides.
All you will find are lies.
I am ruin. I am greed.
I am chaos. I am disease.
I am doom. I am rot.
Latest News for: protons
PROTON E.MAS 7 MAKES INTERNATIONAL DEBUT IN NEPAL (PROTON Holdings Berhad)
Public Technologies 24 Mar 2025PROTON PREMIERS 2025 HARI RAYA FILM AND LAUNCHES RECRUITMENT DRIVE (PROTON Holdings Berhad)
Public Technologies 21 Mar 2025High-pressure method can differentiate proton-coupled electron transfer mechanisms
Phys Dot Org 21 Mar 2025Cape opens $99/month beta of its privacy-first mobile plan, inks Proton deal, raises $30M
Crunch 19 Mar 2025CELEBRATE RAYA IN STYLE WITH PROTON & WIN CASH PRIZES (PROTON Holdings Berhad)
Public Technologies 17 Mar 2025PROTON S70 TRIUMPHANT IN C-SEGMENT WITH STRONG USPs AND UNBEATABLE VALUE (PROTON Holdings Berhad)
Public Technologies 13 Mar 2025Proton Exchange Membrane (PEM) Fuel Cells Materials Markets 2023-2024 & 2025-2034 with BASF, 3M, Plug ...
Business Wire 11 Mar 2025PROTON LEADS MARKET SEGMENTS AND BUILDS EV SALES IN FEBRUARY (PROTON Holdings Berhad)
Public Technologies 10 Mar 2025Michigan proton therapy center marks first patient treatment using a Monaco proton plan (Elekta AB)
Public Technologies 07 Mar 2025Apollo Hospitals shares in focus after announcement of Rs 250 crore proton therapy expansion plan
The Times of India 05 Mar 2025Proton Exchange Membrane (PEM) Fuel Cells Materials Market Research 2025: Growing Hydrogen Economy Boosts Expansion, ...
Nasdaq Globe Newswire 05 Mar 2025- 1
- 2
- Next page »