physical and chemical properties of oxygen

Nuclear Energy and Chemical Energy - Nuclear energy is released when very small particles of matter split or combine. After the split or combination, they result in small particles or heavy particle. The rest of the mass is changed into energy. This process of changing mass into energy pr..

Isotopes of an element have same atomic number (Z) but different mass numbers (A). For example, 1 H 1 , 1 H 2 , 1 H 3 are isotopes of hydrogen;..

. The physical and chemical properties of daughter element are different than that of the parent elemen..

Isotopes - These are the elements having same atomic number but different mass number. They have the same atomic number because the number of protons inside their nuclei remains the same. The difference in their mass number is due to the difference in their number of neutrons. Since they are neutra..

Source of Electricity - Electrons in different metals can have different energies. If two of these metals are placed in a conducting liquid (electrolyte) a difference in electrical potential is set up between them. A pair of different metals arranged in this way is an electrochemical cell. It conve..

The hydrogen ions so formed diffuse through the porous pot and interact with copper sulphate forming H 2 SO 4 and Cu 2 + ions. Therefore, 2H + + CuSO 4 ------> H 2 SO 4 + Cu 2 + . The copper ions are deposited on the vessel and th..

.I. Unit of Z is kg/coulomb (kg C -1 ). 2. When the same amount of charge is made to pass through any number of electrolytes, the masses of the substances liberated or deposited at the electrodes are proportional to their chemical equivalents. i.e., if m 1 and m 2 are ..

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