3. is the correct option listed above.
Oxide ion. because oxsgen has 6 electrons in its orbit or subshell, so it needs only two to achieve the octet rule by gaining 2 electrons.
Gaining electrons means that the element become an anion ion
Answer:
2,137... gallons
Explanation:
(160+140+14x16x2)/350=2,137...
Answer:
I believe it is B,fluorine to complete the octet rule
Explanation:
