To notify how much of a group of atoms there are example: Mg + NH4 = Mg(NH4)2 signifying that there are 2 ammonium molecules in the chemical formula
A subscript following a set of parenthesis in a chemical formula indicates that the entire group enclosed in the parenthesis is to be multiplied by the subscript outside the parenthesis. This is used to show the number of times a group of atoms or molecules is repeated in the compound.
The chemical formula of water is H2O
The chemical formula of water is H2O
You expand the parenthesis out first. Then simplify the rest.
A chemical formula is what scientists use to refer to the element. Vitamin A is the chemical which has the formula C20H19OH.
open parenthesis
(3x3+1)2+1=7x2+1=15 and that is how you use parenthesis but, always do parenthesis before you do anything else......^_^
With the symbol of a chemical element - of course, if you think to a chemical formula.
You could try putting that part in parenthesis. In algebra, formula parts in parenthesis are worked separately and take precedence over what is no in parenthesis. Things are usually worked left to right, and multiplication or division before addition or subtraction.
Open parenthesis are used at the beginning of a quote. Close parenthesis are used at the end of a quote after the punctuation.
Alum is both a specific chemical compound and a class of chemical compounds. The specific compound is the hydrated potassium aluminum sulfate with the formula KAl(SO4)2.12H2O. The wider class of compounds known as alums have the related stoichiometry, AB(SO4)2.12H2O
"The chemical formula for rayon was discovered around 1855." "Alfred Nobel, for whom the Peace Prize is named, developed the chemical formula for dynamite."