Suppose a Box Contains About 5 $\degree$ C) Determine the Thermal Energy of These Atoms

Multiple Choice

Suppose a box contains about 5.0* 1021 hydrogen atoms at room temperature (21 $\degree$ C) . Determine the thermal energy of these atoms.

A) 10 J
B) 20 J
C) 30 J
D) 5.0 J
E) 1.0 J