Two atoms respectively have z=12, a=26 and z=14, a=26. can these two atoms be classified as isotopes of the same element?

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 diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius