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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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nynkh nynkh
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11 years ago
The four fundamental forces are gravitational, electromagnetic, "weak" nuclear force, and "strong" nuclear force

Which two fundamental forces are dominant (and oppose one another) in a nucleus of 4He?
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#1
11 years ago
Weak nuclear force and strong nuclear force, as is the case with any atomic nucleus.
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#2
11 years ago
Deuterium: Strong nuclear force (binding of nucleons)
Helium: Strong nuclear force (binding of nucleons), Electromagnetic force (protons repel)
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#3
11 years ago
A deuterium nucleus contains a neutron and a proton.  These are held together by the strong nuclear force, which is the only force acting between these 2 particles.

In He-4, there are 2 neutrons and 2 protons; the electromagnetic repulsion between th positive protons is balanced by the  strong nuclear force attracting all the particles t each other.
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