14.37: A new element is discovered and named PhysicsBo
0lp4v vbfz*,gm; n0x fwlium (atomic symbol Phys). Its entry onto the standard periodic table of elements appears as in the figure (with Helium shown as well). Given a sample of Phys which acts as a perfect monatom
f x n zbf0,l4*gmpv;v0ic ideal gas, what is the root-mean-square speed of the atoms of the gas if the sample is at $20^{\circ}C$?