Tagged: Negative ion

January 31, 2020

Chemical combination, Properties of Metals, Nonmetals and Noble (inert) gases

The number of well-known elements up till now is 118 elements, These elements can be classified according to their properties and electronic structure into metals, nonmetals and noble (inert) gases, In the 19th century,...

The Matter

October 30, 2014

Metalloids and the difference between the positive ion and negative ion

The metalloids The metalloids are semi-metallic elements that have the properties of both metals and nonmetals, It is difficult to know the metalloids from their outermost electrons due to the difference in the numbers...