Which of the following elements can conveniently be placed in two groups in the periodic table? By: Sunday|Published on: May 8|Categories: Chemistry WAEC| 0 comments A. Carbon B. Copper C. Hydrogen D. Oxygen Correct Answer: Option C C. Hydrogen Users Also Read These:Elements in the same period in the periodic table…Two elements, X and Y are in the same group on the…S block elements of the periodic table one made up of?Elements in the same group of the periodic table have?The property of elements that increases down a group…SEE ALSO Consider the reaction represented by the following equation: N2(g) + 3H2(g) ⇌ 2NH3(g); ∆H = - 92kJmol1. Finely divided iron is used as catalyst in the reaction in order to?