Valence electrons. 1  The highest principal shell of an atom, in which there is at least one electron, is called the valence shell. 2  The electrons on the valence shell are called valence electrons. 3  Main group elements can hold a maximum of eight electrons in their valence shell. A full valence shell is known as an octet.
Novella. A novella is a written, fictional, prose narrative normally longer than a short story but shorter than a novel. The English word novella derives from the Italian word novella, feminine of novello, which means new. The novella is a common literary genre in several European languages.
Definition of Anthology. The term anthology originates from a Greek word, anthologia, meaning a âcollection of flowers.â An anthology is a compilation of literary works such as poems, plays, short stories, excerpts, including television programs, dramas, movies and songs. There are different categories of anthologies such as comic anthologies, essay collections, fiction anthologies, poetry anthologies, anthologies of films, and of television programs.