If two reactant molecules collide with each other what two reasons might they not combine ?

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

How much energy is made when a pice of wood burns. how do you know