3f orbital does not exist-explain.

He_2 molecule does not exist Explain.

[SiF_6]^(2-) exist but [Sicl_6]^(2-) does not Explain.

What is the basic idea of Molecular orbital theory? How will you prove that neon molecule does not exist?

Find the equation of the tangent to be curve y=f(x) at (x_(0),y_(0)) , if (dy)/(dx) does not exist at this point.

Which, of the following orbitals are not possible and why? 1p, 2s, 2p, 3f

What is the equation of the normal at the point (x_0, y_0) , if dy/dx at this point does not exist?

Show that f (x) = |x| is continuous at x= 0 but f'(0) does not exist

Give reasons : Does life exist on plant venus? Why?

Among the following pairs of orbitals which orbital will experience the larger effective nuclear change? 2s & 3s (ii)4d& 4f (iii)3d&3p