sigma and pi bonds

 sigma and pi bonds are two types of covalent bonds. They differ each other on the mode of overlapping of atomic orbitals- head to head overlapping or sidewise overlapping. The first kind of overlapping gives a sigma bond while the second kind of overlapping gives a pi bond.

Click here to watch the video on youtube   

Indian Variant cases are conformed in Nepal

 Out of 35 samples sent in Indian laboratory, 34 samples are conformed as Indian variant because their gene sequence match with Indian variant. Indian variant is that which is taken as variant of concerned by WHO. It easily affects all age groups and transmits rapidly.                        Stay safe            

click here for latest update