Home » Chemistry » The mass number of an element is the sum of itsThe mass number of an element is the sum of its The mass number of an element is the sum of its A. electrons, neutrons and protons B. electrons and protons C. protons and neutrons D. orbital electrons E. valence electrons Correct Answer: Option C Explanation Related Posts In solution, aminoethanoic acid (glycine) can be represented as NH+3 CH2COO. This implies that it Which of the following raw materials would be required from the smelting of iron ore… Which of the following pollutants will lead to the depletion of ozone layer? The polymer used in making car rear lights is Chemistry Theory (a) Atoms of four non-metallic elements in the same group of the periodic table are… The reaction of an alkanol with an alkanoic acid in the presence of concentrated H2SO4…
Chemistry Theory (a) Atoms of four non-metallic elements in the same group of the periodic table are…
