Which statement about the electron-cloud model is true? O It is the currently accepted atomic model.
It can easily be replaced by existing models.
O It specifies the location and momentum of an electron.
O It does not explain the formation of emission lines.

Which of the following statements is true about planck’s law

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.