The subscript represents the number of atoms of an element in a compound. The number is found to the lower right of the element's symbol.Continue Reading
The subscript of one is never written because it is considered to be understood. In a compound, the subscript appears after the end parentheses. For instance, in Ca(NO3)2, the two is the subscript. It represents that two nitrates are present in the compound calcium nitrate.
Subscripts cannot be changed in a compound's chemical makeup. If the subscript is changed, it is no longer the chemical it originally represented. When dealing with polymers, the subscript can sometimes be a letter.Learn more about Chemical Equations
The molecular formulas of compounds express the number and type of atoms that make up one molecule of the compound. For example, the molecular formula of table salt, or sodium chloride, is NaCl. This means table salt has one atom of sodium and one atom of chlorine.Full Answer >
In a molecular formula, a subscript is written immediately after the letter denoting an element and refers to the amount of atoms that element has. A molecular formula, or empirical formula, is noted as a series of letters and numbers that represent a compound, or a molecule. Each letter in a formula symbolizes one element from the periodic table of elements.Full Answer >
In chemistry, Cr OH 3 is the chemical formula for a molecule containing one atom of chromium, one atom of oxygen and three atoms of hydrogen. When written with notation as Cr(OH)3, the formula refers to the compound chromium(III) hydroxide, also known as chromic hydroxide.Full Answer >
Since lead is an element, it does not have a chemical formula; however, its chemical symbol is Pb. Lead is found in group 14 on the periodic table. Its atomic number is 82 and atomic weight is 207.2.Full Answer >