Give an example of a metal, non-metal and metalloid. Describe some of their properties.

In the derivation of rrkm theory, a factor of 1/2 is introduced when equalizing the rates of formation and decomposition of activated complex as keal-hr) = ko this is clearly against the assumption of transition state theory that states all the activated complex in the transition state iss going to the product. find the reason why this factor is introduced here.

The energy equivalent of the rest mass of an electron is

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.