Syllabus: The NTA has put the official JEE Main 2026 Syllabus online on their website: jeemain.nta.nic.in. If you're planning ...

The Periodic Table (PT) serves as the fundamental basis of chemistry, often commencing classroom discussions led by chemistry teachers. Mastery of its structure empowers students to anticipate ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications. When you purchase through links on our site, we ...

You would look at the periodic table to find an atom that you could add 5 to its number of protons that would give you a sum close to the atomic mass given for that element. The answer is beryllium ...

Students can try playing the Periodic Table Game, ... the atom must have 8 protons. The number of protons is the same as the atomic number, ... This review will help reinforce the concepts about the ...

A new study lays the groundwork to expand the periodic table with a search for element 120, to be made by slamming electrically charged titanium atoms, or ions, into a californium target.

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, ...

Sodium is a metal commonly found in table salt. To find its atomic number: Look at the periodic table and find sodium (Na). The atomic number of sodium is listed as 11. This means sodium has 11 ...

A t the far end of the periodic table is a realm where nothing is quite as it should be. The elements here, starting at atomic number 104 (rutherfordium), have never been found in nature. In fact ...

He started his talk by discussing the first modern periodic table produced in 1869 by Dmitri Ivanich Mendeleev (1834-1907), a Russian chemist who developed the periodic classification of the elements ...