Ac Periodic Table Of Elements
The periodic table of the elements is a tabular method of displaying the chemical elements a chemical element is a fundamental classification of atomic matter where differentiation of particles is based on the number of protons found in their nuclei the so called atomic number so far 118 elements are known to exist.
Ac periodic table of elements. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure the chemical symbol for hydrogen is h. Its monatomic form h is the most abundant chemical substance in the universe constituting roughly 75 of all baryonic mass. Periodic table of elements element actinium ac. The ground state electronic configuration of neutral actinium is rn 6d 1 7s 2 and the term symbol of actinium is 2 d 3 2.
Advanced application of periodic table. The international union of pure and applied chemistry iupac confirmed the names of elements 113 115 117 and 118 as. Actinium is a chemical element with the symbol ac and atomic number 89. Common chemical compounds are also provided for many elements.
The possibility of studying the gaming table. The newest and most reliable information on the elements. Description your user agent does not support the html5 audio element. Including scores of properties element names in many languages most known nuclides of actinium.
This periodic table of the elements with names atomic number symbol and mass is color coded for easier reference by students and researchers. Actinium gave the name to the actinide series a group of 15 similar elements between actinium and lawrencium in the. Actinium atoms have 89 electrons and the shell structure is 2 8 18 32 18 9 2. The periodic table is a masterpiece of organised chemical information and the evolution of chemistry s periodic table into the current form is an astonishing achievement.
Interactive periodic table with up to date element property data collected from authoritative sources. For quick reference go to the periodic table chart with names listed alphabetical order. With a standard atomic weight of circa 1 008 hydrogen is the lightest element on the periodic table. Comprehensive data on the chemical element actinium is provided on this page.
Look up chemical element names symbols atomic masses and other properties visualize trends or even test your elements knowledge by playing a periodic table game. Interactive and user friendly interface. It was first isolated by french chemist andré louis debierne in 1899.