If atoms
are made of smaller parts such as electrons,
why are atoms considered the basic unit of
matter? Summarize the evidence supporting
the claim and explain the reasoning.

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

What energy is it when you flip on a switch on a lamp