Question

I, II & III The elements EK, aluminium and EK, solicon predicted by Mendeleev are 1) Se & Y
2) Ga & Ge
3) Ce & Fr
4) Ra & Ac​

Answer 1

Answer:

option numbers 3rd

Explanation:

ce s fr

Answer 2

Explanation:

Eka is a-prefix used to designate the first element of the same family in the periodic table beyond the one to whose name it is prefixed, as Eka manganese

(a) Eka silicon - Ge (germanium)

(b) Eka aluminium - Ga (gallium )

(c) Eka manganese - Tc (technetium)

(d) Eka boron – Sc (scandium)

Hence, the correct option is D

Hope it will help you

and plz make it as brainliest