Does Bohr's model of the atom work for all elements on the periodic table? If not, which ones?

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

In saturated organic compounds, all the bonds between carbon atoms are called?

Adilute aqueous potassium nitrate solution is