certain elements have variable valencies,on which to concider?
Tanvi Sutar , 9 Years ago
Grade 10
1 Answers
Kamlesh Kumar
Last Activity: 8 Years ago
Trasition elements have two outer shells in complete because of this these elements show variable valencies during formation of molecules . both ns&[n-1]d electrons can participate in bond formation .
e.g 24Cr – 1s2,2s22p6,3s23p6 ,4s1,3d5 Cr has 6 unpaired electrons each can form bonds.
with regards askiiTians kamlesh kumar
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