An element with atomic number 21 is a (a) Transition element (b) Alkali metal (c) Halogen (d) Representative element

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An element with atomic number 21 is a (a) Transition element (b) Alkali metal (c) Halogen (d) Representative element
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An element with atomic number 21 is a (a) Transition element (b) Alkali metal (c) Halogen (d) Representative element An element with atomic number 21 is a (a) Transition element (b) Alkali metal (c) Halogen (d) Representative element November 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
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