A sample of gas was enriched to contain 2 % by mass of N with the remainder being N. Calculate the relative molecular mass of the resulting N O.

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp