What does Nerys mean? Nerys [nerys] as a girls' name is of Welsh origin, and the meaning of Nerys is noblewoman. Modern coinage. The given meaning is based on the name's similarity to the Welsh word ner, meaning lord and the endings of the names Gladys and Dilys. Associated with: modern. Nerys has 3 variants: Neris, Neriss and Neryss.
Water is a polar molecule, meaning that there is an uneven distribution of electron density. Water has a partial negative charge () near the oxygen atom due the unshared pairs of electrons, and partial positive charges () near the hydrogen atoms.
A polar molecule is a molecule that has a mostly positive charge on one side and a mostly negative charge on the other. This charge difference allows the positive end of the molecule to attract to the negative end of another.olar molecules sometimes form hydrogen bonds. A polar molecule cannot bond with a non-polar molecule. Because the oxygen side is negatively charged, water is an example of a polar molecule.