Find out the valency of the atoms represented by the Fig 43 a and b ...

Question

Find out the valency of the atoms represented by the Fig 43 a and b

Accepted Answer

Atom a has zero valencies as it has 8 electrons in its valence shell making the configuration stable Atom b has a valency of 1 as it has 7 electrons in its outermost shell It can accept 1 electron to achieve an octet configuration

NCERT Exemplar Solutions Class 9 Science Solutions for Structure of the Atom - Exercise in Chapter 4 - Structure of the Atom