A general equation doesn't exist; this depends on type of the chemical reaction involved.
The chemical symbol (not equation) of hydrogen is H; the diatomic molecule is H2.
"MN" is not a chemical symbol, but "Mn" in a chemical equation signifies the involvement of at least one manganese atom in the reaction for which the equation is valid.
These subscripts are down the chemical symbol and at right. Example: O2
With this symbol:
Fog is a chemical weathering.
The symbol (s) indicates a solid state in a chemical equation.
The symbol equation for lithium is: Li. This represents the chemical element lithium, which has an atomic number of 3.
The chemical equation for glucose is C6H12O6.
The "" symbol in a chemical equation signifies the combination of two or more reactants to form a single product.
The symbol located in the middle of a chemical equation is an arrow, typically pointing from the reactants to the products.
The chemical symbol (not equation) of mendelevium is Md.
The symbol "->" (arrow) is used in a chemical equation to indicate produces or yields.
The chemical symbol of potassium is K.
S is the chemical symbol of sulfur.
The chemical symbol of neon is Ne.
The chemical equation for rutherfordium is typically written as Rf.
The symbol used in a chemical equation to indicate yields is the arrow "->". This arrow separates the reactants from the products in a chemical reaction.