Charge of calcium oxide12/10/2023 (a) Hydrogen (H) atom: The hydrogen atom is the lightest. To express relative mass of an atom, reference of atom is considered.Therefore, the concept of relative mass of an atom was formed. Since an atom is very very tiny, it was not possible to measure atomic mass accurately.The mass of an atom is concentrated in its nucleus and it is due to the protons (p) and neutrons (n) in it.Give some information about two reference atoms. Explain the need for a reference atom for atomic mass. (ii) Compound of metal ‘M’ with radical phosphate.Ĭ. Step – 4: To write down the chemical formula of the compound. Step – 3: To cross multiply as shown by arrows the number of radicals. Step – 2: To write the valency below the respective radical. Step – 1: To write the symbols of the radicals (Basic radicals on the left and acidic radicals on the right) (i) Compound of metal ‘M’ with radical sulphate Following are the steps to find the chemical formulae of its compounds formed with the radicals, sulphate and phosphate: Write down the steps to find the chemical formulae of its compounds formed with the radicals, sulphate and phosphate.
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |