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.
Polar and non-polar molecules. A molecule is classified as a polar moleculewhen the arrangement of the atoms is such that one end of the molecule has a positive electrical charge and the other end has a negative charge. A polar molecule forms when an atom of high electronegativity bonds with a less electronegative atom.