Estimate the percentage of the total mass of a 58Ni atom that is due to (a) electrons, (b) protons, and (c) neutrons by assuming that the mass of the atom is simply the sum of the masses of theappropriate numbers of subatomic particles. The mass of an electron is 0.00054858 amu, the mass of a proton is 1.0073 amu, and the mass of a neutron is 1.0087 amu.a. % by mass e-b, % by mass pc.90 by mass n-0000

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Asked Jan 27, 2019
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Estimate the percentage of the total mass of a 58Ni atom that is due to (a) electrons, (b) protons, and (c) neutrons by assuming that the mass of the atom is simply the sum of the masses of the
appropriate numbers of subatomic particles. The mass of an electron is 0.00054858 amu, the mass of a proton is 1.0073 amu, and the mass of a neutron is 1.0087 amu.
a. % by mass e-
b, % by mass p
c.90 by mass n-
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Estimate the percentage of the total mass of a 58Ni atom that is due to (a) electrons, (b) protons, and (c) neutrons by assuming that the mass of the atom is simply the sum of the masses of the appropriate numbers of subatomic particles. The mass of an electron is 0.00054858 amu, the mass of a proton is 1.0073 amu, and the mass of a neutron is 1.0087 amu. a. % by mass e- b, % by mass p c.90 by mass n- 0 0 0 0

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Expert Answer

Step 1

Ni-58 has 28 electrons, 28 protons and 30 neutrons in it

 

Step 2

Calculate total mass of Ni-58

mass of electrons = 28 x 0.00054858 amu = 0.01536 amu

mass of protons = 28 x 1.0073 amu = 28.2044 amu

ma...

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