Atomic Number and Atomic Mass: Get here the easy notes on atomic number and atomic mass for all the first 30 elements. Know how to calculate atomic mass using atomic number.

AN important result of the development of Moseley's atomic number rule has been the impetus it has given to the search for missing elements. It is true that later arrangements of the Periodic ...

The atomic mass of an element is the average mass of the different isotopes of the element. The atoms in the periodic table are arranged to show characteristics and relationships between atoms and ...

Answer: That would be magnesium. Magnesium gets extremely hot when it reacts with oxygen in the air. Magnesium has 2 ...

An international research team led by GSI/FAIR, Johannes Gutenberg University Mainz (JGU) and Helmholtz Institute Mainz (HIM) has succeeded in the production of a new seaborgium isotope. In the ...

IN 1937, Perrier and Segrè showed that radioactive isotopes of element 43 could be formed by neutron or deuteron bombardment of molybdenum1. Several chemical properties of element 43 were ...

Atomic number 66. A rare-earth mineral with a silver metallic luster. More than 90% of refined dysprosium comes from China , and it is used in magnets that power everything from medical equipment ...

Uranium is a naturally occurring radioactive element, which has the atomic number of 92 and corresponds to the chemical symbol U in the periodic table. It belongs to a special group of elements called ...