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he given table shows five atoms with their mass numbers and atomic numbers:Atoms Mass No Atomic No.2040197161487[il Which one of these atoms contains 7 protons?lii] Which atom has an electronic configuration 2,7?State the number of nucleons in atoms 'A' and 'B'The atomic number and mass number of an atom 'C' are 3 and 7respectWhat do you understand by this statement?Write the electronic configuration of the atom-A,Give the valency of the Atom D28,s, 2- |
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Answer» Answer 1. E will contain 7 protons because the atomic number and protons are always same. Answer II. Atom B has the electronic configuration 2.7Easy way to do just add 2+7 which is 9 half of a answar only u give |
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