Question

Please don't give irrevelant answers or you will be reported.
Find odd man out and give its explanation.
Gallium, Scandium, Germanium, Calcium. ​

Answer 1

Answer:

Gallium is a chemical element with the symbol Ga and atomic number 31. Elemental gallium is a soft, silvery metal at standard temperature and pressure; however in its liquid state it becomes silvery white. If too much force is applied, the gallium may fracture conchoidally.

Scandium is a chemical element with the symbol Sc and atomic number 21. A silvery-white metallic d-block element, it has historically been classified as a rare-earth element, together with yttrium and the lanthanides.

Answer 2

Calcium

Explanation:

rest all are d-block elements