Element Z reacts with sodium to make the compound $\text{Na}_2\text{Z}$. The locations of four elements are displayed on the outline of part of the Periodic Table. Which element is Z?
Chemistry 5070 · O Level · Arrangement of elements
Chemistry 5070 · O Level · Arrangement of elements
Element Z reacts with sodium to make the compound $\text{Na}_2\text{Z}$. The locations of four elements are displayed on the outline of part of the Periodic Table. Which element is Z?