Add the charge to the atomic number for negative ions. When an ion has a negative charge, the atom has gained electrons. To calculate the total number of present electrons, you simply add the amount of extra charge to the atomic number. In the case of a negative ion, there are fewer protons than electrons.
Definition: Expressionism is a term used to describe a movement of the early 20th century (c.1905-20) that was most prominent in Germany and Austria.The aims of an Expressionist were to express emotions through the use of vivid colors and strong, distorted lines, rather than capturing a likeness or reality.xpressionism is the opposite of Impressionism, which emphasized painting what the artist observed. The work of Vincent van Gogh had a lot of influence on artists who are now classified as Expressionists. See Also: 1  How to Paint Like an Expressionist. 2  Exhibition Photos: Vincent van Gogh and Expressionism.
Neo Expressionism definition. An art movement that filled the art galleries in the 1970s and 1980s in both the USA and Europe.The term Neo Expressionism refers to a group of varied artists who decided to start painting objects and the figure in a more recognizable way than was the current norm at the time.The movement was a reaction against the stark, abstract intellectualized art made in the 1970s.he term Neo Expressionism refers to a group of varied artists who decided to start painting objects and the figure in a more recognizable way than was the current norm at the time.