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Structure Of Atom

Question

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How many number of unpaired electrons are present in the ground state of Fe³⁺?(Atomic number of Fe is 26).

Solution

The electronic configuration for Fe is [Ar] 3d⁵ 4s². and the electronic configuration for Fe³⁺ = |Ar| 3d^5,Number of unpaired electrons = 5

Some More Questions From Structure of Atom Chapter

What are the fundamental particles present in a neutral atom having atomic number greater than 1?

Do protons and neutrons have identical mass?

When α-particles are sent through a thin metal foil, most of them go straight through the foil. What inference do you draw from it?

What did Rutherford's experiment on scattering of particles show for the first time?

What is Plum-Pudding model of the atom?

Are neutrons present in all atoms?

Why are electrons called planetary electrons?

What are nucleons?

When is the number of protons and electron same in an atom?

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