How many isotopes has hydrogen? By: Sunday|Published on: May 8|Categories: Chemistry WAEC| 0 comments A. 2 B. 3 C. 4 D. 5 Correct Answer: Option B B. 3 Users Also Read These:Helium is preferred to hydrogen in filling balloons…Which of the following is suitable for determining…Which of the following statements is not correct?…Dry hydrogen is trapped by pellet of mercury in a…Which of the following is/are not correct about…SEE ALSO Which of the following will give a precipitate with an aqueous solution of copper (I) chloride?