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Which sub-atomic particles are "heavy" and which are "light"? (proton, electron, or neutron)

User Forellana
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Final answer:

Protons and neutrons are heavy particles, while electrons are light particles.

Step-by-step explanation:

The subatomic particles that are considered 'heavy' are protons and neutrons, while electrons are considered 'light'.

A proton has a mass of 1.0073 amu and a charge of 1+. A neutron is slightly heavier with a mass of 1.0087 amu and has no charge. On the other hand, an electron is much lighter with a mass of about 0.00055 amu and has a charge of 1-.

Protons and neutrons are roughly equal in mass, while electrons have a significantly smaller mass compared to both protons and neutrons.

User Akmad
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