Number of valence electrons in Cl–ion are:
(a) 16 (b) 8 (c) 17 (d) 18
NCERT Class IX
Sciences - Main Course Book
Chapter 4. Structure of the Atom
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number of valence electrons is cl-ion are:-
(b)Electronic configuration of cl(Z = 17)= 2,8,7.thus it has 7 valence electrons.cl gain 1 electron to form cl-ion. so number of valence electrons=7+1=8.
(b)Electronic configuration of cl(Z = 17)= 2,8,7.thus it has 7 valence electrons.cl gain 1 electron to form cl-ion. so number of valence electrons=7+1=8.
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valence electrons are the number of electrons in last shell,so chloride ion has 8 valence electrons
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