Question

The atomic number of two element are 8 and 16 respectively. Write the electronic configuration of these two element. Do you keep these two element in the same group of the modern periodic table. Justify your answer. Find out which of these two element is more electronegative. Give reason for your answer

Answer 1

Answer:

8 = 2,6     16 = 2,8,6   both these elements are oxygen and silicon repecticvely and kept in the same group(16th) . 6 - (oxygen) is more electronegative, because on going down in a group the electronegativity decreases.                                                         ( as we go down in a group in the periodic table one more electron shell is added to the atom at every step and the size of atom goes on increasing. due to this increase in size, its nucleus goes deep inside the atom. the attraction for the incoming atom decreases due to which the atom can't form negative ions easily and the electronegativity character decrease)

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Answer 2

Answer:

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