Question

I have five less protons than the least massive metalloid in
the fourth period. Who am I?

Answer 1

You are the Cobalt

Step-by-step explanation:

The least massive metalloid in the fourth period is Germanium, and it have 32 protons. If you have 5 less protons: 32 - 5 = 27 protons. The element with 27 protons is Cobalt