It is an icon of natural science and hangs in most chemistry classrooms: the periodic table of elements, which is celebrating its 150th birthday this year. The tabular overview is closely linked to ...

Electrons in atoms occupy energy levels, also called electron shells, outside the nucleus. Different shells can hold different maximum numbers of electrons. The electrons in an atom occupy the lowest ...

Periodic table is an arrangement of all known elements organized on the basis of structure and atomic number. Moving across the periodic table, one finds an increase in the number of protons. Moving ...

Looking for ways to revise GCSE Chemistry? Try listening to these revision podcasts from Bitesize and BBC Sounds. BBC Sounds is where you can catch the latest music tracks, discover binge-worthy ...

The periodic table is not just the story of discoveries aided by better technological innovations, it’s also the story of sheer genius The National Council of Educational Research and Training (NCERT) ...

Whether you are an aspiring Chemistry student or just a normal know-it-all geek, the Periodic Table offers you the simplest way to keep tabs on the atomic elements and their chemical properties. And ...

As Class 10 Science exams approach, students are revising the periodic table using smart memory techniques rather than rote ...

An international team of scientists has shed light on the extreme ends of neutron and proton numbers. Their goal is to investigate the limits of the periodic table of chemical elements. How far can ...

Little is known about the heaviest, radioactive elements in Mendeleev's table. But an extremely sensitive technique involving laser light and gas jets makes it possible for the very first time to gain ...

First 20 Elements Of The Periodic Table: The atomic number and symbols are important in chemistry. The atomic number of elements gives us an idea about the atomic structure of elements, such as how ...