Answer :
atoms have electrons orbiting in their outermost shells.
Electrons reside in orbitals in their outermost shells. Reactivity of atoms depend on the number of electrons in the shells. Elements with few number of electrons in the shells react by donating the electrons and elements with large number of electrons in the shells react by taking in electrons to complete the shell.
Atoms with complete shells are stable / inert and they do not have the tendency to react.
answer is atom does not need any electrons if it has a full outermost shell.
Electrons reside in orbitals in their outermost shells. Reactivity of atoms depend on the number of electrons in the shells. Elements with few number of electrons in the shells react by donating the electrons and elements with large number of electrons in the shells react by taking in electrons to complete the shell.
Atoms with complete shells are stable / inert and they do not have the tendency to react.
answer is atom does not need any electrons if it has a full outermost shell.
Considering the definition of reactivity and stability, An atom does not need any electrons if it has a full outermost shell.
Reactivity
Reactivity refers to the ability of a substance to undergo a chemical reaction, either with itself or with other substances or reagents, transforming into one or more products and releasing energy.
The stability of electrons in atoms and molecules is influenced by the configuration in the valence shell.
In this way, the greatest reactivity appears, in general, between atoms that present orbitals with unpaired electrons. That is, atoms with complete orbitals and all paired electrons are the ones with the least reactivity.
In other words, atoms tend to gain, lose, or share electrons until they are surrounded by eight valence electrons, as this creates stability.
Answer
In summary, the correct answer is the first option: An atom does not need any electrons if it has a full outermost shell.
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