What is the total pressure in mm Hg?

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 which block of the periodic table is uranium (u) found? s blockd blockp blockf block

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-