Best Answer: An ionic radius, is the radius of an ion, either by gaining electrons or losing an electrons is considered to be an ion.n nonmetals, the ionic radii is larger than atomic radii, because non metals tend to gain electrons in the o uter shell. The electrons that it gained repel each other(because of same charge) so require more space, creating a greater radii. tmlfan Â· 9 years ago. Thumbs up.
Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay) and stabilizers. It was invented by the Swedish chemist and engineer Alfred Nobel in Geesthacht, and patented in 1867. It rapidly gained wide-scale use as a safer alternative to gun powder and nitroglycerin.
In 1877, Thomas A. Edison was asked to update the section on the Telegraph for Appleton's Cyclopaedia of Applied Mechanics. At this point in his career, Edison was a respected telegraph inventor and former telegrapher. He submitted his article in the spring of 1878 when he was 31 and it was published in Appletons' 1880 edition.