Question

Which answer choice correctly names the element that Mendeleev predicted would be discovered and

Answer 1

Answer:

gallium (Ga)

Explanation:

Initially called ekaluminum, of less atomic mass than rare earth elements;  the ekaluminum, today knows that gallium (Ga); it was one of the 4 elements that Mendeleev predicted, and this Mendeleev leaves a space on the table to be placed in the aluminum column.