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Structure Of Atom

Question

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How many electrons are there in the valence quantum level of copper(Atomic, number = 29)?

Solution

Electronic configuration of copper is Ar[3d¹⁰ 4s¹]. Thus, one (4s¹) valence quantum level for copper.

Some More Questions From Structure of Atom Chapter

Name the particles which determine the mass of an element.

What are α-particles?

Why were neutrons discovered very late?

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?

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