Interactive periodic table with dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, and compound search. Full descriptions from write-up sources. ASCII Table and Description. ASCII stands for American Standard Code for Information Interchange. Computers can only understand numbers, so an ASCII code is the numerical representation of a character such as ‘a’ or ‘@’ or an action of some sort. The definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements. The periodic table of the elements. The periodic table is an arrangment of the chemical elements ordered by atomic number so that periodic properties of the elements (chemical periodicity) are made clear. The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number, electron configuration, and recurring chemical properties, whose structure shows periodic trends.Generally, within one row (period) the elements are metals to the left, and non-metals to the right, with the elements having similar chemical behaviours placed in the same column. Find out which football teams are leading the pack or at the foot of the table in the Premier League on BBC Sport. .
A period life table is based on the mortality experience of a population during a relatively short period of time. Here we present the 2015 period life table for the Social Security area population.For this table, the period life expectancy at a given age is the average remaining number of years expected prior to death for a person at that exact age, born on January 1, using the mortality Tables charting the chemical elements have been around since the 19th century – but this modern version has a short video about each one. In this Emmy-nominated series, meet culinary stars around the world who are redefining gourmet food with innovative dishes and tantalizing desserts. Watch trailers & learn more. .