What kind of electrical charge is found on the oxygen atom of a polar water molecule?

The oxygen atoms have a slight negative charge in water molecule and the hydrogen have silght positive charge.

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.