I think it’ll be option B.
The concentration of Ca2+ ions is half that of the Cl- ions.
Answer:
Carbon has 4 valence electrons (electrons that are used in bonding), and therefore it can make 4 bonds which is the most one can (other than some exceptions, but in general it is the most). It wants to make 4 bonds so it can reach a full octet of 8 elections, hence the rule of 8.
Explanation:
Answer:
Quantitative observation is an objective collection of data which is primarily focused on numbers and values.