Question

Which of the following is the correct match?
(a) Eka silicon - $\text{Ge}$
(b) Eka aluminum - $\text{Ga}$
(c) Eka manganese - $\text{Tc}$
(d) Eka boron - $\text{Sc}$

• A. b, c
• B. a, b, d
• C. a, d
• D. All of above

Answer 1

The correct option is D All of above

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 $\text{D}$