All eukaryotic organisms, including plants, animals, fungi, algae and most protists, need oxygen for cellular respiration, a process that extracts chemical energy by the reaction of oxygen with …

Nov 22, 2025 · Oxygen, a colorless, odorless, tasteless gas essential to living organisms, being taken up by animals, which convert it to carbon dioxide; plants, in turn, utilize carbon dioxide …

Element Oxygen (O), Group 16, Atomic Number 8, p-block, Mass 15.999. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Oxygen (pronunciation: OK-si-jen) is a colorless element that belongs to the group of Chalcogens in the periodic table, and it is represented by the chemical symbol O [1, 2, 3].

Oxygen is a highly reactive element and is capable of combining with most other elements. It is required by most living organisms and for most forms of combustion.

Oxygen plays a critical role in respiration, the energy-producing chemistry that drives the metabolisms of most living things. We humans, along with many other creatures, need oxygen …

May 21, 2015 · Oxygen is the eighth element of the periodic table. It is atomic number 8 with element symbol O. Oxygen is best known as the element we need in order to breathe, but it …

Oxygen is a colorless, odorless gas, and is the third most abundant element both on earth and in the broader universe. It has many applications such as in medicine and fuel combustion.

Oxygen is a chemical element; it has the symbol O and its atomic number is 8. It is a member of the chalcogen group in the periodic table, a highly reactive non...

Its official chemical symbol is O, and its atomic number is 8, which means that an oxygen atom has eight protons in its nucleus. Oxygen is a gas at room temperature and has no colour, …