Since World Water Day is celebrated on March 22, let’s dive into five interesting facts about water. Made up of two hydrogen atoms and one oxygen atom, water is considered a compound — and a molecule.

They may seem elusive, but northern lights - or aurora borealis - aren't all that uncommon. But to see them, the conditions ...

Until this discovery, it was believed that oxygen could not be produced without sunlight Scientists have discovered “dark oxygen” being produced in the deep ocean, apparently by lumps of metal ...

Fran: Group 1 elements are called the alkali metals. They're soft and shiny when freshly cut, but they quickly tarnish as the metal reacts with oxygen in the air. This is because they're very ...

Gold is an example of a metal element that can also be found in rocks. The air we breathe is mostly made from nitrogen and oxygen, both of which are elements. All the atoms in a copper wire are ...

is probably one of the most striking facts brought out by the periodic arrangement of the elements. From the univalent elements like H, Li, Na, etc., the valency for oxygen increases regularly ...

What Is an Oxygen Concentrator? Portable oxygen concentrators are battery-operated devices that provide supplemental oxygen to people who “require greater oxygen concentrations than the levels ...

Metal atoms such as copper, zinc and iron are naturally present in the human body and help our brains and bodies function. They are involved in many different processes including energy production, ...

Historically, nature has used trees to turn carbon dioxide back into oxygen for use by living creatures. The trees play a vital role in the carbon cycle, and have done so for millennia.