Respuesta :
Carbon has 1 less electron energy shell than silicon. Hence, option A is correct.
What is an atom?
An atom is any particle of matter which contains at least one proton.
Carbon is a nonmetal but silicon is a metalloid. Carbon and silicon belong to the same group (group 14) of the periodic table. And have four electrons in the outer energy level. Both occur in two oxidation states, +2 and +4.
Hence, option A is correct.
Learn more about atom here:
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