Hello there!
The correct answer is option D
The valence electrons are the numbers from 1 to 8.
Best of luck!
No of moles = given mass ÷ molecular mass
n = 55.98 ÷ (12+19×2+35.5×2)
The best answer between the two choices would be the first option TRUE because the scientific method is used to do more advance research and investigation on things.
Answer:
The rule is especially applicable to carbon, nitrogen, oxygen, and the halogens, but also to metals such as sodium or magnesium. ... All four of these electrons are counted in both the carbon octet and the oxygen octet, so that both atoms are considered to obey the octet rule.