Hydrogen is naturally found in the gaseous form.
Hydrogen is a gas at 20 degrees, Fahrenheit and Celsius, but it you are talking Kelvin, then it is a liquid.
Hydrogen or H2, can be reduced to form Hydride ion or H- . Here Hydrogen is in its -1 oxidation state.
an atom
'H2' is a Hydrogen molecule (2 atoms of hydrogen joined together) - Hydrogen in its natural state (the gas) exists as the hydrogen molecule. A single atom of Hydrogen is just 'H'
Ice.
hydrogen is a liquid
the usual state of both hydrogen and nitrogen are gas.
Hydrogen's physical state at room temperature is a gas.
The usual state of oxygen and hydrogen: they are gases at room temperature.
Sodium hydrogen carbonate is a solid.
Hydrogen is a gas in normal conditions.
Its oxidation number is -1, which is uncommon for hydrogen.
Metallic hydrogen is a physical state that hydrogen enters under extreme pressure.
Gaseous state.
Hydrogen is a gas at 20 degrees, Fahrenheit and Celsius, but it you are talking Kelvin, then it is a liquid.
Helium, hydrogen, and air are gases.
The ground state electron configuration of hydrogen is 1s1.