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

This could open up newer possibilities in making superheavy elements in the lab and understanding nuclear stability at higher ...

A new seaborgium isotope may unlock the path to discovering even shorter-lived superheavy nuclei through K-isomer states. An ...

Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...

The periodic table of elements—also known as Mendeleev’s table—was developed in 1869 by Russian chemist Dmitri Mendeleev. It organizes all known chemical elements by their atomic number ...

Periodic-Table-Data Introduction A repository with data for elements in a Periodic Table from my app 'Atomic - Periodic Table' available on Android.

Summary Students will begin to look closely at the periodic table. They will be introduced to the basic information given for the elements in most periodic tables: the name, symbol, atomic number, and ...

Organisation: The periodic table is made up based on increasing atomic number. This means that elements with similar chemical properties tend to be grouped.

When you look at the periodic table, you'll notice a trend in atomic sizes as you move upwards within a group. The atomic size decreases because the number of electron shells reduces, resulting in ...

Thus, the mass number of this carbon atom is 12. The mass number is not listed on the periodic table because it can vary for different atoms of the same element, known as isotopes.

Periodic Table of the Elements Vector Illustration - shows atomic number, symbol, name, atomic weight, state of matter and element category - including 2016 the four new elements Nihonium, Moscovium, ...