For an isotope of argon (Z = 18), the mass number is 40. The number of neutrons in this isotope is - a 22
b 18
c 40
d 58

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.

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

If two objects at different te,peraure are in contact with each other what happens to their temperature