The number of electrons transferred from one atom to another during bond formation in Barium Sulphide?

Number of electrons transferred from one atom to another during bond formation in SrS (Strontium Sulphide)

Energy transferred from one trophic level to another is

In CaF_(2) , the number of electron(s) transferred from calcium to fluorine atoms is ______.

The sound energy can be transferred from one place to another place through the

Transfer od DNA from one bacterium to another through cell contact is

Transfer of DNA from one bacteria to another by contact is known as