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The atomic number of the elements A , X, T, R and Q are 16, 23 , 27, 46 and 82 respectively. Without referring to periodic table 

a)Write the electronic structure of A, X, T, R and Q

b) To which group of periodic table does element A belong ?

c)To which period of the periodic table does R belong ?

d) Which of the elements are noble gases ?

e) Which of the elements is diamagnetic?

f) Which of the elements belong to f− block?

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