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courses.lumenlearning.com/boundless-physics/chapter/overview-2

Of these three subatomic particle types, two (protons and electrons) carry a net electric charge, while neutrons are neutral and have no net charge. Both protons  ...

web.fscj.edu/Milczanowski/psc/lect/CH7/slide4.htm

When we examine an individual atom, it is the number of protons that define the element of the ... This tin atom has 50 protons, 69 neutrons and 48 electrons.

www.britannica.com/science/neutron

Neutrons and protons, commonly called nucleons, are bound together in the ... It breaks down into a proton, an electron, and an antineutrino (the antimatter ...

faculty.wcas.northwestern.edu/~infocom/Ideas/lecture6.html

All the matter you see around you is made up of only three particles: protons, electrons, and neutrons. The simplest atom consists of one proton (positively ...

www.chem.tamu.edu/class/fyp/mcquest/ch5.html

(a) proton: (b) neutron: (c) anion: (d) electron: (e) atom. 2. Rutherford ... (d) the diameter of an electron is approximately equal to that of the nucleus. (e) electrons  .....

education.jlab.org/elementmath

How many protons are in an atom of an element? How many neutrons? How many electrons? Use this game to practice the calculations!