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Structure Of Atom

Question

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Calculate the number of protons, neutrons and electrons in $Br presubscript 35 presuperscript 80$ .

Solution

Since the species $Br presubscript 35 presuperscript 80$ is neutral
$therefore space space Number space of space protons space equals space Number space of space electrons space equals space 35 space No. space of space neutrons space equals space Mass space No. space minus space Atomic space No. space space space space space space space space space space space space space space space space space space space space space space space space equals 80 space minus 35 space equals space 45$

Some More Questions From Structure of Atom Chapter

What is the name of the remaining part of atom except outer orbit?

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?

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