Respuesta :
Answer: b.an atom’s outer energy level doesn't have the maximum number of electrons.
Explanation: I hope this helps.
Answer: B
Explanation:
Octat rule:It is the ability to have 8 electrons in last shell
An atom is said to be stable ,and on lower energy it must fill the last shell.
To complete last shell an atom tends to shair or transfer electrons.
If both are non metals the they will form covalent bond.
If one atom is metal and other one is non metal then ionic bond is formed.