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Write the correct representation of an …



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Write the correct representation of an element ‘X’ which contains 15 electrons and sixteen neutrons. b) In the atom of an element X, 6 electrons are present in the outermost shell. If it acquires noble gas configuration by accepting requisite number of electrons, then what would be the charge on the ion so formed? 4. An element ‘Z’ forms the following compound when it reacts with hydrogen, chlorine, oxygen and phosphorous. ZH3, ZCl3, Z2O3 and ZP (a) What is the valency of element ‘Z’? (b) Element ‘Z’ is metal or non-metal?
  • 2 answers

Kajal Verma 3 months, 2 weeks ago


Kajal Verma 3 months, 2 weeks ago

X has lower subscript15and upper is31 2, +2,z has valency 3 It is metal

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