If an element has a mass number of 232 and an atomic number of 93, how many neutrons does the element have

Explanation:

It is known that atomic mass is the sum of total number of protons and neutrons present in an element.

And, atomic number is the sum of total number of protons present in an atom.

As it is mentioned that the given element has atomic mass 232 and its atomic number is 93. So, number of neutrons present in it are calculated as follows.

        Atomic mass = no. of protons + no. of neutrons

                 232 = 93 + no. of neutrons

          no. of neutrons = 232 - 93

                                    = 139

Thus, we can conclude that given element has 139 neutrons.

answer: the figure is attached herewith.

step-by-step explanation:   we are given to sketch a unit circle and label the terminal points corresponding to

in the attached figure, we have drawn a unit circle, with centre at o(0,0) and radius 1 unit. we have labelled the points a, b, c, d and e corresponding to the angles below

∠aox = 60°,

∠box = 120°,

∠cox = 180°,

∠dox = 240°,

∠eox = 300°.

and the coordinates are a(0.5,1), b(-0.5,1), c(-1,0), d(-0.5,-1) and e(0.5,-1).

thus, the answer is complete.

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