Charles Dickens, in full Charles John Huffam Dickens, (born February 7, 1812, Portsmouth, Hampshire, Englandâdied June 9, 1870, Gadâs Hill, near Chatham, Kent), English novelist, generally considered the greatest of the Victorian era.
The alkali metals in group 1 are always +1 when they form cations. The alkaline earth metals in group 2 are always +2 when they form cations. Aluminum and the elements in group 3 are always +3 when they form cations. Zinc and cadmium always form +2 cations. Monatomic Cation Names. The names of monatomic cations always start with the name of the metal, sometimes followed by a Roman numeral to indicate the charge of the ion. For example, Cu + is copper(I), and Cu 2+ is copper(II).
The ammonium cation is a positively charged polyatomic ion with the chemical formula NH+. 4. It is formed by the protonation of ammonia (NH3). Ammonium is also a general name for positively charged or protonated substituted amines and quaternary ammonium cations (NR+. 4), where one or more hydrogen atoms are replaced by organic groups (indicated by R).