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www.reference.com/science/chemical-formula-lead-98936ecaed18b877

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.

www.reference.com/article/chemical-formula-water-93d0fd8bc26acd6c

The chemical formula for water is H2O. A molecule of water consists of two hydrogen atom that bond with one atom of oxygen. The hydrogen and oxygen atoms share electrons because they are covalently bonded.

www.reference.com/article/different-chemical-formulas-8c9c24bc14de7ade

Examples of chemical formulas of compounds are HBr for hydrogen bromide, NaClO for sodium hypochlorite, NaOH for sodium hydroxide and NaCl for sodium chloride. Some chemical symbols for elements include H for hydrogen, C for carbon, Ti for Titanium, Sn for tin and I for Iodine.

www.reference.com/article/chemical-formulas-named-8cd0f73fdb3b6e0d

Chemical formulas are named based on the number and type of atoms in the chemical. In chemical formulas of two atoms with opposite charges, the first element is a metal and the second is a non-metal. The chemical's name is the name of the metal and the name of the non-metal, with the non-metal's nam

www.reference.com/article/chemical-formula-milk-bd16743efa5412eb

Milk does not have a specific chemical or molecular formula; it is a variable mixture of water, fats, proteins and carbohydrates. Because the components of milk vary depending on fat and protein content, there is no single formula.

www.reference.com/science/chemical-formula-alcohol-c8733c2a426b73a4

The main functional group of alcohols is the hydroxyl group, written as "-OH". There are many different types of alcohol and molecular formulas vary based on the number of carbon atoms and the placement of the –OH group in the molecule.

www.reference.com/science/chemical-formula-glass-e2fe78b88ed3fe30

The chemical formula for most glass is SiO2. Commonly referred to as sand, it's the main ingredient in the most common forms of glass.

www.reference.com/science/chemical-formula-ice-4891e536fb44b3b

Ice is the solid form of water that is created when water freezes at a temperature of zero degrees Celsius, so it has the same chemical formula of water, which is H2O. Water consists of two atoms of hydrogen and one atom of oxygen.

www.reference.com/science/chemical-formula-iron-873ba4b73de74c6c

Iron has the chemical formula Fe from its Latin name, ferrum. Its atomic number is 26, and its molar mass is 55.845 grams per mole. It has a metallic gray color and is attracted to magnets. Iron is the second most-abundant metal on Earth.

www.reference.com/science/chemical-formula-oxygen-dafb81f964ed8d32

According to the National Center for Biotechnology Information, the chemical formula for oxygen is O2. The O stands for the oxygen molecule, while the 2 represents the need for two oxygen molecules to form the element.