A tri-cation of an element has 45 electrons. Approximately how many neutrons does this element have (round to nearest integer, i. e. no decimal places, you do not have to take into account isotopes).

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.

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays

Which of the following is true about the speed of light? it depends on the wavelength.