Chalk is calcium carbonate and has the same chemical composition as limestone, marble, ground calcium carbonate and precipitated calcium carbonate. Chalk, like the other types of calcium carbonate, is in the form of calc... More »

The chemical composition of table salt is one atom of sodium (Na) to one atom of chlorine (Cl), known as sodium chloride (NaCl). Table salt also often has iodine added in for health reasons, but this does not change the ... More » Science Chemistry Atoms & Molecules

A diamond is made entirely from carbon, the same element that makes up the graphite used in pencil leads. What gives a diamond the unique properties that differentiate it from common graphite is its physical structure. More »

Although the chemical composition of wood varies from species to species, wood is primarily composed of carbon, hydrogen, oxygen, calcium, potassium, sulfur, nitrogen and magnesium. Most wood contains some amount of wate... More »

Calcium carbonate has different uses including as a dietary supplement, an antacid and chalk. Other uses include as limestone and marble in the construction and manufacturing industries. Calcium carbonate has the chemica... More »

A gravimetric analysis of a metal carbonate is a process used to determine the chemical composition of an unknown metal carbonate. The metal carbonate is weighed, dissolved in water and a solution of calcium chloride is ... More » Science Chemistry

Calcium carbonate is made up of three elements: calcium, carbon and oxygen. This combination is a chemical compound, which is written out as CaCO3. It has one molecule of calcium, one of carbon and three of oxygen. More »