hw 3 ((Bohr model, Wave functions, PIB, H atom)

Question 1

If a hydrogen (H) atom and a helium (He) atom travel at the same speed, which of the following is true about the de Broglie wavelengths of the atoms?

Answer 1

The H atom is about 4 times longer than the He atom.

Question 2

Which particle would have the longest de Broglie wavelength traveling with the same velocity?

Answer 2

electron; particle with the smallest mass has the longest wavelength