Consider for hypothetical main group elements, Q, R, tea, and X, I have the outer electron configurations indicated below. Then, answer the question that follows.

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

The biosphere of the earth is made up of what compound? organic or inorganic?

What element has similar physical and chemical properties as boron.