The most stable atoms are those of noble gases such as helium , neon , argon …..etc , Because their outermost energy level is completely filled with electrons , so , the atoms of...
Nuclear fusion reaction It is the source of the destructive energy of the Hydrogen bomb , It is the fusion of two light nuclei to form a heavier nucleus of a mass smaller than...
Nuclear reactions are different from the chemical reactions , Since chemical reactions occur between the atoms of the reactant elements by the binding between the electrons of the outermost energy levels & no change...
Each substance stores an amount of energy inside it , This amount of energy called the internal energy , This amount of energy is the summation of three types of energy which are the...
Heat and temperature Heat is a form of energy , The flow of heat from one position to another depends on the difference in temperature between them, The atoms or molecules of substances are...
Energy Energy is very important in our life , where we can’t carry out different activities ( mental or muscular ) without the produced energy from burning sugar inside our bodies , we can’t...
