Answer :
The electrons that are found in an atom's outermost shell are known as valence electrons. The reason for this is because if atoms engage, the electrons in their outermost shells are the first to make contact with one
Which electrons have valence?
The electrons located in an atom's valence shell, and energy level, are known as valence electrons. For instance, oxygen contains two valence electrons in the 2s subshell as four with in 2p subshell, for a total of six valence electrons. The oxygen's valence electron configuration is 2s22p4.
Are electron shells always eight?
The octet rule, a general rule of thumb, states that most biologically significant elements require eight electron in the outer shell to be stable. Even if the valence shell is the some shell, that has a maximum capacity for holding 18 electrons, some atoms can nevertheless be stable with an octet.
To know more about valence electrons visit:
https://brainly.com/question/13993867
#SPJ4