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

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

@X@user.full_name@X@ @GMU: What is the wavelength of radiation with a frequency of 1.699e+15 s-1?

@X@user.full_name@X@ @GMU: What is the de Broglie wavelength of a satellite with a mass of 987.5 kg traveling at a speed of 7590 m/s?

@X@user.full_name@X@ @GMU: What is the de Broglie wavelength of a baseball with a mass of 102.3 g traveling at a speed of 1.309 m/s?

@X@user.full_name@X@ @GMU: Which of the answers below is isoelectronic with O −2

@X@user.full_name@X@ @GMU: Which of the answers below has the shortest bond length?

@X@user.full_name@X@ @GMU: Which element should have the lowest first ionization energy?

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

@X@user.full_name@X@ @GMU: What is the de Broglie wavelength of a bumble bee with a mass of 1.066 g traveling at a speed of 2.981 m/s?