H2S is in gaseous state of matter at r.t.
Hydrogen's physical state at room temperature is a gas.
Hydrogen Sulphide contains the element Hydrogen in a +1 oxidation state and the Element Sulphur in a -2 oxidation state. It is a covalent moelcular molecule with single bonds between each hydrogen and the central sulphur. The sulphur has two lone pair of electrons. The structure is a vee formation.
The physical state of petroleum at room temperature is liquid.
The usual state of oxygen and hydrogen: they are gases at room temperature.
Hydrogen is a gas at standard temperature and pressure.
Hydrogen's physical state at room temperature is a gas.
Hydrogen Sulphide contains the element Hydrogen in a +1 oxidation state and the Element Sulphur in a -2 oxidation state. It is a covalent moelcular molecule with single bonds between each hydrogen and the central sulphur. The sulphur has two lone pair of electrons. The structure is a vee formation.
All of the substances listed in the question are gases at standard temperature and pressure.
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.
The physical state of petroleum at room temperature is liquid.
The usual state of oxygen and hydrogen: they are gases at room temperature.
Hydrogen is a gas at room temperature and standard pressure.
Hydrogen is a gas at standard temperature and pressure.
The state of matter is a physical property at any temperature.
Metallic hydrogen is a physical state that hydrogen enters under extreme pressure.
physical
They are gases at room temperature.