11)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 Qa)To which group of periodic table does element A belong ?
b)To which period of the periodic table does R belong ?
c)Which of the elements are noble gases ?
d)Which of the elements is diamagnetic?
e)Which of the elements belong to f− block?

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Answer aWrite the electronic structure of A X T R and Q A 1s2 2s2 2p6 3s2 3p4 X1s2 2s2 2p6 3s2 3p6 ... View the full answer