"Water" is the name for both:
- the chemical compound with chemical formula H2O
- the liquid phase of the chemical substance composed of the above chemical compound
Simplified phase diagram of water
. Source. Note the triple point and critical point visible. Phase diagrams are so cool!
Phase diagram of water
. Source. Note all the obscure phases of ice.In informal contexts, it usually refers to the phase of ice observed in atmospheric pressure, Ice Ih.
Articles by others on the same topic
water body
Water is a chemical substance composed of two hydrogen atoms covalently bonded to one oxygen atom, represented by the chemical formula H₂O. It is a transparent, odorless, tasteless liquid at room temperature and is essential for all known forms of life. Here are some key characteristics and aspects of water: 1. **States of Matter**: Water naturally occurs in three states—liquid (water), solid (ice), and gas (water vapor or steam), depending on temperature and pressure.
