As hard as a bird.
Soft, are kinda squisht and hard thing well, there kinda hard...
No, it is neither hard nor soft. It is a gas!
Plutonium is not a soft metal.
It is very soft - at normal temperatures and pressure, it is a gas!
No.
No, argon is a gas.
As hard as a bird.
Hard
it is hard and sometimes soft
hard
soft you can bend and hard you can not
argon :)
why metallic solids are soft to hard
soft
Soft
soft