Rainwater as rainwater (rainwater taken as itself) is a homogeneous mixture. Rainwater can be considered a solution or a mixture. Water is everywhere on our planet and it's the reason we have organic life. It shapes our mountains, sculpts our oceans and boosts our climate.
It would be logical to think that water should be one of the basic elements. But in reality, water is a chemical compound. Rainwater is a mixture, not a pure compound, but it contains dissolved gases and sometimes particles. Yes, water itself is a compound of hydrogen and oxygen, so rainwater is also a compound.
Is rainwater a compound or a mixture? Rainwater is a mixture of water and any soluble particles and gases found in its fall. If people don't like the taste of water in an area because of dissolved minerals that give it a distinctive flavor, they may prefer the more neutral flavor of distilled water. In areas where water is contaminated with harmful substances, due to the natural environment or a natural disaster, drinking distilled water can keep people healthy. The mineral composition of well water varies from place to place and gives water from different areas its distinctive flavors (SF Fig.
The hydrogen and oxygen atoms in water are covalently linked, so in these old definitions, water would be a molecule but not a compound. The chemical formula for water is H2O, which means that each molecule of water consists of an oxygen atom chemically bonded to two hydrogen atoms. If an athlete drinks too much distilled or tap water after sweating a lot, it may alter the balance of water and salts in their body.
