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julia-pushkina [17]
3 years ago
12

How does the number of each type of particle in a sodium ion compare with the number of each type of particle in a sodium atom?

Physics
1 answer:
anyanavicka [17]3 years ago
3 0
<h3><u>Answer and explanation;</u></h3>
  • <u><em>A neutral sodium atom contains 11 protons, 12 neutrons and 11 electrons. By removing an electron from this atom we get a positively charged Na+ ion that has a net charge of +1.</em></u> Thus; Sodium atom is neutral whereas sodium ion is a charged species with a charge of +1.
  • <u><em>Sodium ion is positively charged. In sodium ion, there are 11 protons and 12 neutrons but 10 electrons</em></u>, i.e., sodium ion contains lesser number of electrons. Additionally,the size of sodium ion is smaller than that of sodium atom.

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The final speed of the crate is 12.07 m/s.

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The final speed of the crate at the end of 10.0 m will be the initial speed of the following 10.5 meters, so:

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v_{f} = \sqrt{(9.39 m/s)^{2} + 2*2.74 m/s^{2}*10.5 m} = 12.07 m/s  

Therefore, the final speed of the crate after being pulled these 20.5 meters is 12.07 m/s.  

I hope it helps you!                              

7 0
3 years ago
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