There are several elements that are solid at both room temperature (around 20°C) and 200°C. Here are a few examples:

* Iron (Fe)

* Copper (Cu)

* Gold (Au)

* Silver (Ag)

* Platinum (Pt)

* Nickel (Ni)

These elements have high melting points, meaning they require a lot of energy to transition from a solid to a liquid state.