Identifica dizolvantul pentru urmatoarele cazuri: lac de unghii, ulei, acid acetic, alcool, sare si iod

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

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged