How many elements are gases at room temperature?

The 13 elements that are room temperature gases are radon (Rn), xenon (Xe), krypton (Kr), argon (Ar), chlorine (Cl), neon (Ne), fluorine (F), oxygen (O), nitrogen (N), helium (He) and hydrogen (H). Most non-metals in the periodic table have a gaseous elemental form. read more

Gas at Room Temperature (13) These elements are gasses at room temperature and pressure. Click any element below to see all the samples of that element. Text and images Copyright (c) 2010 by Theodore W. Gray. read more

Elemental hydrogen (H, element 1), nitrogen (N, element 7), oxygen (O, element 8), fluorine (F, element 9), and chlorine (Cl, element 17) are all gases at room temperature, and are found as diatomic molecules (H 2, N 2, O 2, F 2, Cl 2). read more