Pure arsenic is usually "grey arsenic". It looks like, well, a metal. Other allotropes do exist, but quickly transform into grey arsenic under normal conditions.
when in its normal state,which is at room temperature, it is a solid.
In its' elemental state potassium is a soft silvery metal.
It is a yellow solid (normally in powder form) and it smells like Rotorua.
It is a colorless noble gas, so you can't really see it.
One must look into the acidity of arsenic acid, not just arsenic. Though the exact value of acidity is dependent on the ionization of the arsenic.
Arsenic has a metallic grey aspect.
when in its normal state,which is at room temperature, it is a solid.
Sodium in its normal state is a soft, silvery-white metal that is very reactive with air and water. It is typically stored in oil to protect it from reacting with moisture in the air.
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it looks like gas,
solid
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The appearance of francium is not known.
Plutonium has a metallic appearance.
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