The valence shell is the outer shell of the atom. Some materials have a free electron in their valence shell and this electron can easily move from atom to atom. The free electrons are responsible for electrical current.
The valence shell is the outer shellor energylevelof the atom.
Some materials have a free electron in their valence shell and this electron can easily move from atom to atom.
The free electrons are responsible for electrical current.
Example : Oxygen has 6 valence electrons, two in the 2s subshell and four in the 2p subshell. We can write the configuration of oxygen's valence electrons as 2s²2p⁴.
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Answer:
The valence shell is the outer shell of the atom. Some materials have a free electron in their valence shell and this electron can easily move from atom to atom. The free electrons are responsible for electrical current.
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