General Knowledge Questions on Chemistry

General Knowledge Questions on Chemistry 1-What is the atomic number of oxygen?2-What element has the chemical symbol ‘Fe’?3-Which scientist developed the periodic table?4-What does the ‘p’ in pH stand for?5-What is the lightest element in the periodic table?6-In the chemical formula H2O, what does the number 2 represent?7-Which element is known as the ‘king of … Read more