Oxygen and carbon are both elements ... the elements in a group is the same as the group number. The number of electron shells of all the elements in a period is the same as the period number.

Rare oxygen isotope detected at last ... with the stable shell of the molecule holding together the single-electron C–C bond inside. They then used various analytical techniques to characterize ...

Uranium, belonging to the periodic table's actinide elements, has long intrigued scientists due to its complex electron configurations ... electrons in its inner shells compared to other, more ...

Until this discovery, it was believed that oxygen could not be produced without ... dissolved metals in seawater collect on fragments of shell - or other debris. It's a process that takes millions ...

The word magic is not often used in the context of science. But in the early 1930s, scientists discovered that some atomic ...

The oxygen evolution reaction (OER) is a vital yet challenging process in water splitting, requiring a four-electron transfer that often suffers from slow reaction kinetics. Noble metal-based ...

Ocean acidification can negatively affect marine life, causing organisms' shells and skeletons made from calcium carbonate to dissolve. The more acidic the ocean, the faster the shells dissolve. By ...

LONDON, Oct 7 (Reuters) - Shell's (SHEL.L), opens new tab refining profit margins dropped by nearly 30% in the third quarter from the previous three months as global demand sagged, while oil ...