9706 The atomic number of an element is \(17\). The number of orbitals containing electron pairs in its valence shell is
(c) Chlorine \(C{l_{17}}\)\( = [Ne]\)
9707 The atomic number of an element is \(35\) and mass number is \(81. \) The number of electrons in the outer most shell is
(a) Bromine consists of outer most electronic configuration \([Ar]\,\,3{d^{10}}\,4{s^2}\,4{p^5}\).
9708 Which of the following is not isoelectronic
(d) \(N{a^ + }\)\( = 1{s^2}\,2{s^2}\,2{p^6}\)\(Mg++\) \( = 1{s^2}\,2{s^2}\,2{p^6}\)\({O^{2 - }}\)\( = 1{s^2}\,2{s^2}\,2{p^6}\)\(C{l^ - }\)\( = 1{s^2}\,2{s^2}\,2{p^6}3{s^2}3{p^6}\)
9709 The charge of an electron is \( - 1.6 \times {10^{ - 19}}C.\) The value of free charge on \(L{i^ + }\) ion will be
It’s Obvious