Neptunium is a solid metal with a metallic appearance.
when in its normal state,which is at room temperature, it is a solid.
See related link for a picture. Neptunium is a solid with metallic appearance.
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it looks like gas,
solid
picture
Plutonium has a metallic appearance.
The appearance of francium is not known.
It is a bluish color in a cube like shape.
In its' elemental state potassium is a soft silvery metal.
It is a shiny silver colored metal
Americium has a metallic, silvery appearance.