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There is no chemical equation for argon. A chemical equation describes a process, not an element or compound. Argon does have a chemical symbol, which is Ar.
By having the same numbers of atoms of each kind of element present in the equation in the written numbers (coefficient multiplied by subscript) of each kind of element on both sides of the equation.
balanced equation
A balanced chemical equation has an equal number of atoms of a given element in the reactants and products. This is due to the law of conservation of mass.
The coefficient times the subscripts in a chemical formula show you the number of atoms of each element for each substance in the equation.
There is no chemical equation for argon. A chemical equation describes a process, not an element or compound. Argon does have a chemical symbol, which is Ar.
The chemical symbol for thorium is Th.
MnO2 is the chemical formula(there is no equation). The compound is called manganese oxide and manganese(IV) oxide by IUPAC. Wikipedia calls it manganese dioxide.
A "balanced" equation.
By having the same numbers of atoms of each kind of element present in the equation in the written numbers (coefficient multiplied by subscript) of each kind of element on both sides of the equation.
How does a subscript affect the element just before it?
balanced equation
Berkelium is a chemical element, not first or second.
A balanced chemical equation has an equal number of atoms of a given element in the reactants and products. This is due to the law of conservation of mass.
If the number of atoms of each element is the same on both sides of the equation, then it is balanced.
To construct an equation for a chemical reaction, put the reactants on the left, and the products on the right, and make sure that the number of atoms of each element is the same on each side.
The coefficient times the subscripts in a chemical formula show you the number of atoms of each element for each substance in the equation.