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Oct 16, 2024 · Two hundred years later, Aristotle considered water to be one of four fundamental elements, in addition to earth, air, and fire. The belief that water was a fundamental substance persisted for more than 2,000 years until experiments in the second half of the 18th century showed that water is a compound made up of the elements hydrogen and oxygen.
Water is a compound of two elements close element A pure substance which is made from only one type of atom. Elements are listed on the periodic table.: hydrogen and oxygen. Water has many special ...
Liquid water can be split into the elements hydrogen and oxygen by passing an electric ... nearly all fish live exclusively in water, and there are many types of ...
- Key points. Everything in the known universe is made up of the elements found on the periodic table. There are over 100 different element A pure substance which is made from only one type of atom.
- Elements. An element is a pure substance that cannot be broken down into any other substances. An element is made from just one type of atom The smallest particle of an element.
- The periodic table. There are 118 chemical elements. They are listed on the periodic table A table which lists all of the chemical elements and arranges them in a way that is useful.
- 1. A solid element. The particles are close together and arranged in a regular way. 2. A liquid element. The particles are close together and arranged in a random way.
Jul 1, 2024 · The structure of water (H₂O) is both simple and fascinating, making it one of the most important substances on Earth. At its core, a water molecule consists of two hydrogen atoms and one oxygen atom. These atoms are not just randomly attached; the two hydrogen atoms form a V-shape, or an angle, as they bond with the oxygen atom.
- H2O
- Water
- 18.01528 g/mol
Jan 30, 2023 · In addition, a considerable amount of water (350-400 mL/day) is produced metabolically — that is, from the oxidation of glucose derived from foods. The quantity of water exchanged within various parts of our bodies is surprisingly large. The kidneys process about 180 L/day, returning most of the water to the blood stream.
People also ask
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What is the structure of water (H2O)?
Is water a fundamental substance?
Structure of Water. Water is a simple molecule consisting of one oxygen atom bonded to two different hydrogen atoms. Because of the higher electronegativity of the oxygen atom, the bonds are polar covalent (polar bonds). The oxygen atom attracts the shared electrons of the covalent bonds to a significantly greater extent than the hydrogen atoms.
