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@X@user.full_name@X@ @GMU: What is the de Broglie wavelength of a bumble bee with a mass of 1.667 g traveling at a speed of 1.917 m/s?

@X@user.full_name@X@ @GMU: Which is the correct electron configuration for B in its ground state?

@X@user.full_name@X@ @GMU: Which is the correct electron configuration for Li in its ground state?

John Schreifels @GMU: How many sigma bonds (first) and how many pi bonds (second) are there in the compound drawn below? In this model there is a carbon where two lines intersect.

John Schreifels @GMU: Which is the correct electron configuration for Ne in its ground state?

@X@user.full_name@X@ @GMU: Which is the correct electron configuration for Nb2- in its ground state?

@X@user.full_name@X@ @GMU: Which of the answers below is isoelectronic with Na+

@X@user.full_name@X@ @GMU: What is the energy of a photon having a wavelength of 28.73 nm? Remember Planck’s constant is 6.626×10-34 J×s

@X@user.full_name@X@ @GMU: Which of the answers below is isoelectronic with N −3

@X@user.full_name@X@ @GMU: What is the de Broglie wavelength of a car with a mass of 900.3 kg traveling at a speed of 17.26 m/s?