No Bromine is a liquid at room temperature and normal pressure
gas
At room temperature and normal atmospheric pressure it is a gas.
Fluorine is a gas at the room temperature and atmospheric pressure.
That would depend on temperature and pressure. At atmospheric pressure and room temperature it will be a gas.
Petrol, or gasoline, at standard temperature and pressure is a liquid.
No - it is a gas element
Potassium can be solid, liquid or gas. At normal room temperature and atmospheric pressure it is a solid. Above 63.3oC it is a liquid and above 760oC it is a gas.
Butane is a gas at rtp (room temperature and pressure)
Hydrogen is a gas at room temperature and standard pressure.
yes it is.
Chlorine is a naturally occurring gas at the room temperature and atmospheric pressure which is a non metal.
It is a Green/yellow gas at room temperature snd pressure.