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weeeeeb [17]
3 years ago
13

Match the scientist to his contribution to the atomic theory - Thomson - Rutherford - Bohr A. Electron energy levels B. Nucleus

C. Electrons
Chemistry
1 answer:
N76 [4]3 years ago
6 0

Answer: Thomson - C

Rutherford - B

Bohr - A

Explanation: I just took the quiz

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If fluorine 20 undergoes beta decay , what will it become ?
e-lub [12.9K]
Fluorine 20 (F - Atomic number 9 and atomic mass 20). Firstly we need to know what is beta decay. Beta decay occurs when one neutron changes into a proton and an electron therefore the atomic mass will remain the same as even though we loose a neutron it is replaced by a proton, the atomic number is always raised by 1 when one beta decay occurs. The produced electron is shot out of the nucleus at an incredible speed. This speedy electron we call a beta particle.

Ok now the reaction.

 20       20        0
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Remember the atomic number determines the nature of the element ( i.e what elemnt it is).
Hope this helps :).
7 0
3 years ago
If a person had the values for an objects density and volume, what value can be calculated
zavuch27 [327]

Hello there! With the values of density and volume, you would be able to find the object's mass.

Density is found by dividing the mass by the volume, so you could place in the values of the density and the volume to get the mass.

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I hope I could help you and have a great day!

5 0
3 years ago
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Water is the answer out of all the other options

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When converting an acid salt dissolved in water to its acid form, you are instructed to adjust the ph well into the acidic range
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