Question

The element shown by red box in the Mendeleev's periodic table below is........................​

Answer 1

Answer:

$\underline{\huge{Answer:-}}$

Based on other elements in the same group he predicted the existence of eka-aluminum, eka-boron, and eka-silicon, later to be named gallium (Ga), scandium (Sc), and germanium (Ge). ... Mendeleev predicted the atomic mass of each element along with compounds they each should form.