The description of atomic particles of two elements X and Y is given bellow .X. Y Protons. :. 8 8Neutrons. :. 8. 9Electrons. : 8 81) What is the atomic number of Y ?2) What is the mass number of X ?3) What is relation between X and Y ? 4) What is the electronic configuration of X ? 5) Write the cation / anion formed by the element ?

The description of atomic particles of two elements X and Y is given b

1.	The description of atomic particles of two elements X and Y is given bellow .X. Y Protons. :. 8 8Neutrons. :. 8. 9Electrons. : 8 81) What is the atomic number of Y ?2) What is the mass number of X ?3) What is relation between X and Y ? 4) What is the electronic configuration of X ? 5) Write the cation / anion formed by the element ?
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