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The description of atomic particles of …

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The description of atomic particles of two elements 'X' and 'Y' is given below. Protons X 8 Neutrons 8 9 Electrons 8 8 a) What is the atomic number of 'Y'? b) What is the mass number of 'X'? c) What is the relation between 'X' and 'Y'? d) Which element/elements do they represent? e) Write the electronic configuration of 'X'. f) Write the cation /anion formed by the element. Y 8

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Define speed and velocity provide one similarity and one difference between them

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