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Crank
3 years ago
13

What was one main point of Dalton's atomic theory

Physics
2 answers:
katovenus [111]3 years ago
5 0
Indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass.
goblinko [34]3 years ago
4 0
All matter is composed of atoms, indestructible building blocks.
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Answer:

Strong nuclear force is 1-2 order of magnitude larger than the electrostatic force

Explanation:

There are mainly two forces acting between protons and neutrons in the nucleus:

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F_E=\frac{kq_1 q_2}{r^2}

where k is the Coulomb's constant, q1 and q2 are the  charges of the two particles, r is the separation between the particles.

The force is attractive for two opposite charges and repulsive for two same charges: therefore, the electrostatic force between two protons is repulsive.

- The strong nuclear force, which is the force exerted between nucleons. At short distance (such as in the nucleus), it is attractive, therefore neutrons and protons attract each other and this contributes in keeping the whole nucleus together.

At the scale involved in the nucleus, the strong nuclear force (attractive) is 1-2 order of magnitude larger than the electrostatic force (repulsive), therefore the nucleus stays together and does not break apart.

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