A round table cover has six equal design as shown in the figure.if The radius of the cover is 28cm, find the cost of making the design at rate of 0.35 per cm square
a)How many nodes are present in the following molecular orbitals: (i) π* (2px) (ii) π* (2pz) 3 (b) How will bond order change during following processes? (p) B2 B2-1 (q) O2 ----02+1 (iii) Write Lewis structure of nitrate ion
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