Nuclear and Particle Data

Electron, Proton and Neutron Properties

Electron Proton Neutron
Rest mass
[kg]
9.1093897x10-31 1.6726231x10-27 1.6749286x10-27
Molar mass
[kg/mol]
5.4857990x10-7 1.0072765x10-3 1.0086649x10-3
Charge
[C]

-1.602177x10-19 +1.602177x10-19 0.0
Specific Charge
[C/kg]
-1.7588196x1011 9.5788309x107 0.0
Radius
[m]

less than 10-16 8x10-16 8x10-16
Spin quantum
number
1/2 1/2 1/2
Magnetic moment
[J/T]
928.477x10-26 1.41061x10-26 0.966237x10-26
Compton wavelength
[m]
2.42631x10-12 1.32141x10-15 1.31959x10-15
Quark composition

- uud ddu

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Science Quote

'The important thing is not to stop questioning. Curiosity has its own reason for existing. Never lose a holy curiosity.'

Albert Einstein
(1879-1955)
Science Sidebar | Science Education Articles
10 Ways to Keep Your Kids Interested In Science

Young children are natural scientists: they ask questions, pick up sticks and bugs outside, and are curious about the world around them. But as they get a bit older, many kids gradually lose their interest in science. They might see it as just another task at school, something that doesn't apply to their lives. Of course nothing could be further from the truth, so here are ten ways you can remind your kids that science is everywhere. Most of these are fun for adults, too! Continue reading ...

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