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

Take, for example, vitamin B12. It is made of six different elements: carbon, hydrogen, nitrogen, oxygen, cobalt, and phosphorus.

Students are generally advised to memorise the first 30 elements from the periodic table. And thus, expected to be aware of the atomic number and the atomic mass of those 30 elements.

Periodic Table Chemistry: Get here the complete information on the periodic table of elements along with the easy tricks to remember their names. Check who invented the modern periodic table and ...

At 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.

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 ...

Dark matter may come in multiple particles and weights, similar to the ordinary elements on the periodic table, a new theory suggests. When you purchase through links on our site, we may earn an ...

They are the basic building blocks of matter and are represented on the periodic table by their unique symbols. For example, Oxygen (O), hydrogen (H), and carbon (C) are elements.

Columns in the periodic table are called groups or families. Elements within the same group share similar properties because they have the same number of valence electrons (electrons in the ...