Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
JEE Main & Advanced
Chemistry
Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
Question Bank
Numerical Value Type Questions - Periodic Table & Chemical Bonding
question_answer
Among \[{{H}_{2}},\,\,H{{e}_{{{2}^{+}}}},\,\,L{{i}_{2}},\,\,B{{e}_{2}},\,\,{{B}_{2}},\,\,{{C}_{2}},\,\,{{N}_{2}},\,\,{{\text{O}}_{2{{\,}^{-}}}},\]and \[{{F}_{2}},\]the number of diamagnetic species is (Atomic numbers: H = 1, He = 2, Li = 3, Be = 4, B = 5, C = 6, N = 7, 0 = 8, F = 9)