Question

Which are correct match
(i) Eka silicon - Sc
(ii) Eka aluminium - Ga
(iii) Eka manganese - Tc
(iv) Eka scandium - B

• A. (ii) &(iii)
• B. (i), (ii) & (iv)
• C. (i) & (iv)
• D. All

Answer 1

The correct option is A

(ii) &(iii)

Eka boron is Scandium,Eka Silicon is germanium , prior to the discovery of the elements Mendeleev predicted the properties and named as Eka to indicate the element was one down from the known element of same group.