The chemical formula for water is **H2O**. This means that one molecule of water is made up of two hydrogen atoms (H) and one oxygen atom (O). The hydrogen atoms are bonded to the oxygen atom by covalent bonds, which are shared pairs of electrons.
Water is a polar molecule, which means that it has a positive end and a negative end. This is because the oxygen atom is more electronegative than the hydrogen atoms, meaning that it attracts electrons more strongly. This creates a partial negative charge on the oxygen atom and a partial positive charge on the hydrogen atoms.
Water's polarity is responsible for many of its unique properties, such as its high surface tension and its ability to dissolve a wide variety of substances. It is also essential for life, as it is the main component of all living organisms.
Water is the most abundant substance on Earth, covering about 71% of the planet's surface. It is also found in the atmosphere and in the bodies of all living things.
Water is essential for life, and it is important to conserve this precious resource.
