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Adarsh Mishra posted an Question
November 07, 2020 • 23:07 pm
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30 points
30 points
- IIT JAM
- Chemistry (CY)
(a)3 (b) 5 (d) 2 tc)4 an element, m has an atomic mass 19 and atomie number 9. 1ts stable 1on is represented by (a) m the electronic configuration of four clene
(a)3 (b) 5 (d) 2 tc)4 An element, M has an atomic mass 19 and atomie number 9. 1ts stable 1on is represented by (a) M The electronic configuration of four clenents are (b M fo M (d) M TUKI5
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Priyanshu kumar
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option C M- Explanation:- Number of electrons in the given element M = 9 Electronic configuration for this element = 1s22s22p5 This element require 1 electron to attain stable noble gas configuration. Thus, this element will easily accept 1 electron and will form anion having -1 charge. M have 9 proton, 9 electron and 10 neutron so its single negative ion will be represented by M−
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Dinesh khalmaniya 1 Best Answer
option C Explainion- Electronic configuration of M is 2,7. It can accept an accept in order to have stable configuration. So ion is represented by M−.