资讯

These are almost one-quarter of the periodic table and are mainly found in the first four periods. Of these, 11 are essential elements that our bodies need in larger amounts: oxygen, carbon, ...
Syllabus: The NTA has put the official JEE Main 2026 Syllabus online on their website: jeemain.nta.nic.in. If you're planning ...
The latest news stories on chemistry, biochemistry, polymers, materials science from Phys.org ...
Find out which football teams are leading the pack or at the foot of the table in the Ligue 1 on BBC Sport ...