Definition of IGM. 1. : a class of immunoglobulins of high molecular weight including the primary antibodies that are released into the blood early in the immune response to be replaced later by IgG and that are highly efficient in binding complement.2.: an antibody of the class IgM.ADVERTISEMENT.efinition of IGM. 1. : a class of immunoglobulins of high molecular weight including the primary antibodies that are released into the blood early in the immune response to be replaced later by IgG and that are highly efficient in binding complement. 2. : an antibody of the class IgM. ADVERTISEMENT.
Calcium hydroxide is an Arrhenius base. You can see that it consists of a cation (we know calcium should be a cation because it is a metal on the left side of the periodic table bonded to elements on the right side). The anions are hydroxyl groups. #Ca(OH)_2->Ca^(2+)+2OH^-#.
Arrhenius definition of a base (metal hydroxide) M(OH)n: Is a substance that contains. a metal and hydroxide group (OH -) and produces hydroxide ions (OH -) in the. aqueous solution.Arrhenius base increases the OH-concentration in water.Arrhenius base can be represented by the formula M(OH) n. where M stands.rrhenius defined an acid as any substance that contains hydrogen and when. dissolved in an aqueous solution produces hydrogen ions (protons, H +). and anions. Note: H + (aq.) ion is a proton with no surrounding valence electrons. in water, clusters of hydrated H + ions exist in the form of hydronium. ion (H 3 O +).