Gas at room temperature.
Hydrogen's normal phase is a gas at room temperature and pressure.
That would depend on temperature and pressure. At atmospheric pressure and room temperature it will be a gas.
If it were a solid at room temperature, then that would be the state of matter. However, hydrogen is NOT solid at room temperature. It is a gas and that would be the state of matter.
Gas. Unquestionably. Consider the alternative: Liquid? Solid? Maybe plasma? Liquid and solid hydrogen only produced in near the absolute temperature. Plasma on the other hand requires enormous temperature and pressure (Sun).
helium is a gas at room temperature
solid at room temperature
Be is solid at Room temperature
Gas at room temperature
Fluorine is a gas at room temperature.
Oxygen is a gas at room temperature.
Sulfur is a solid at room temperature.
At normal room temperature, oxygen is a gas.