stock notation for magnesedioxide
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Stock is basically anomenclature system of Chemistry, applied for inorganic compounds and is extensively used. This system was introduced by the German chemist Alfred Stock in 1919.
In the "Stock nomenclature system", the oxidation states of the elements in a compound are indicated in chemical nomenclature according to paratha system of and notation indicating the oxidation state an element in a compound or ion by using Roman numeral in parentheses.
Roman numerals after the name for designating this element and ending with -ate in the case of an anion.
It is placed above and to the right of the symbol for this element Following Stock system nitrous oxide is named nitrogen (I) oxide, ferrosol ferric oxide Fe3O4 is called iron (II, III).