To determine an element's molar mass, it is necessary to add together the weight of all of the atoms present in the sample. The atomic weight of an element is printed inside the element's box on the periodic table. The m... More » Science Chemistry Atoms & Molecules

The molar mass of urea is 60.06 grams per mole. It has the structural formula CO(NH2)2 and exists as a single carbonyl group bonded to two amine groups. More » Science Biology

The molar mass of Ca (OH)2 is 74.093 grams per mole. Calcium hydroxide is a crystalline white powder at room temperature and is commonly called slaked lime. It has a high melting point of 1,076 degrees Fahrenheit and is ... More » Science Chemistry Atoms & Molecules
similar articles

The atomic theory formulated by the British chemist John Dalton proposes that atoms are indivisible particles comprising all matter; atoms of the same element share identical properties, including shape, size and mass; a... More » Science Chemistry Atoms & Molecules

Isotopes of the same element differ in the number of neutrons contained within the nucleus of the element's atoms, which causes them to differ in their atomic weights. Some isotopes are more radioactive and unstable than... More » Science Chemistry Atoms & Molecules

In nuclear science, a pure element is a chemical element that consists of a singular stable isotope – that is, atoms of the same element. Examples of a pure element are gold, aluminium and fluoride. More » Science Chemistry Atoms & Molecules

Elements are made of atoms, which are particles that represent the most basic form of an element. An atom is the smallest particle of an element and cannot be further divided without becoming a less complex particle; in ... More » Science Chemistry Atoms & Molecules