A solid (metal).
Tgis question is simply saying what is its state of matter at room temperature. This substance or uranium is a solid at room temperature.
Uranium is a solid metal at room temperature.
It is supposed that hassium is a solid metal.
The actinides are a group of elements. What state of matter they're in depends on which particular one you're talking about and what the temperature is, though in cases where the temperature is one that a human could reasonably expect to survive "solid" is an extremely good guess.
Yes a helmet is a solid
Roman helmets or galesas varied from time period to time period. The traditional helmet was made of hardened leather, either with out without metal coverage. Depending on the prestige of the particular legion and the person's rank, full metal helms were not uncommon.
Helmet
metal gear solid
A helmet prevents the head from taking a direct impact with some solid object.
to make the cover of a helmet i mould metal and then get the kids to color it in
metal
A solid (metal).
Neptunium is a solid metal at room temperature.
If you mean story wise then I believe it goes: Metal Gear Solid 3: Snake Eater Metal Gear Metal Gear 2: Solid Snake Metal Gear Solid Metal Gear Solid 2 Metal Gear Solid 4 But I may be wrong, and that isn't counting either of the Portable Ops games.
Metals are good conductors of electricity and heat; nonmetals usually aren't. Also, metals tend to have a shiny surface.
Metal Gear Solid, Metal Gear Solid 2: Sons of Liberty and Metal Gear Solid 3: Snake Eater