7. Our atmosphere is composed of many gases, including neon (Z = 10) and argon (Z = 18).
Select the statement below that correctly describes the relationship between the de
Broglie wavelength of a neon atom and an argon atom, both moving at 2.00 x 10$^7$ m/s.
A) $\lambda_{Ne} > \lambda_{Ar}$
B) $\lambda_{Ne} < \lambda_{Ar}$
C) $\lambda_{Ne} = \lambda_{Ar}$
D) Impossible to determine with the given information
