Miscellaneous Symbols is a Unicode block (U+2600âU+26FF) containing glyphs representing concepts from a variety of categories, astrological, astronomical, chess, dice, musical notation, political symbols, recycling, religious symbols, trigrams, warning signs, and weather, among others.iscellaneous Symbols is a Unicode block (U+2600âU+26FF) containing glyphs representing concepts from a variety of categories, astrological, astronomical, chess, dice, musical notation, political symbols, recycling, religious symbols, trigrams, warning signs, and weather, among others.
reactant. 1  a person or thing that reacts. 2  Also called interactant. Chemistry. any substance that undergoes a chemical change in a given reaction.
Summarizing Reactants. Reactants are the raw materials for chemical reactions. Reactants undergo a chemical reaction, and the atoms recombine to form the products. When written down, reactants are placed on the left side of the reaction arrow. To unlock this lesson you must be a Study.com Member.ummarizing Reactants. Reactants are the raw materials for chemical reactions. Reactants undergo a chemical reaction, and the atoms recombine to form the products. When written down, reactants are placed on the left side of the reaction arrow. To unlock this lesson you must be a Study.com Member.