This element is on the right side of the periodic table.

This element is a semi-conductor.

This element is on the left side of the periodic table.

A non-metal has what kind of luster?

A metal has what kind of luster?

I am shiny. I am malleable. I am a good conductor. What am I?

I am shiny. I am sometimes malleable. I am a semiconductor. What am I?

I am dull. I am brittle. I and an insulator. What am I?

I may conduct heat or electricity under specific conditions or at a specific temperature, but I don’t always have to. What am I?