Atomic number of element is 19.how can you say the element belong which group and peroid
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(a) The element with atomic number 19 is potassium (K). Its electronic configuration is 2, 8, 8, 1. (i) Element is monovalent (ii) Element is a metal.
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The element with atomic number 19 is potassium (K). Its electronic configuration is 2,8,8,1. (i) Element is a monovalent. (ii) Element is a metal.
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