Regarding the formula al2o3 which of the following is accurate?
a. the coefficient 3 indicates that there are a total of three atoms of oxygen present in the substance.
b. the subscript 2 indicates that two atoms of oxygen are present in the substance.
c. the chemical symbol al indicates that oxygen is present in the substance.
d. the subscript 2 indicates that two atoms of aluminum are present in the substance

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

In which situation can a mixture always be called a solution

Nonpoint source pollution is difficult to control because it