New research shows that a 2004 gamma-ray burst produced huge amounts of heavy elements, exceeding the mass of the planet Mars ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

img src="https://img.jagranjosh.com/images/2024/May/3152024/periodic-table-of-elements-chemistry.jpg" width="1200" height="675" /> Periodic Table Chemistry: The ...