18 results found

Search Results for: atomic mass

Unified atomic mass unit

Definition noun, plural: unified atomic mass units One twelfth the mass of a neutral atom of the most abundant isotope of... Read More

Atomic mass

Atomic mass (Science: chemistry, physics) The mass of an atom relative to other atoms. The present-day basis of the scale of... Read More

Atomic weight

Atomic weight (Science: chemistry) The average weight of an atom of an element, i.e. The total mass of protons and neutrons... Read More

Carbon

Carbon is one of the chemical elements found in nature. A chemical element refers to the pure substance of one type of atom.... Read More

Molecular mass

'''molecular mass The molecular mass of a substance (less accurately called molecular weight and abbreviated as MW) is the... Read More

Hydrogen

Hydrogen is one of the chemical elements found in nature. A chemical element refers to the pure substance of one type of... Read More

Nitrogen

Definition noun plural: nitrogens ni·tro·gen, ˈnɐɪtʰɹədʒən (biochemistry) A colorless, odorless, gaseous... Read More

Oxygen

Oxygen Definition In biochemistry, oxygen is the colorless, odorless, gaseous element represented by the symbol "O", with... Read More

Element

Element Definition noun plural: elements el‧e‧ment, ˈel.ɪ.mənt (biochemistry) A substance that cannot be... Read More

Molecular weight ratio

molecular weight ratio --> molecular weight The sum of the atomic weight's of all the atoms constituting a molecule; the... Read More

Carbon-12

Carbon-12 The standard of atomic mass, 98.90% of natural... Read More

Weight

weight 1. The quality of being heavy; that property of bodies by which they tend toward the center of the earth; the effect... Read More

Photolysis

Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More

Neutrons

Neutrons electrically neutral elementary particles found in all atomic nuclei except light hydrogen; the mass is equal to... Read More

Ribosome

A biological cell is composed of many components called organelles. These organelles serve their specific purposes to make... Read More

Proton

proton (Science: physics) An elementary atomic particle with a positive charge and a mass of about 1... Read More

Lead

Lead 1. To guide or conduct with the hand, or by means of some physical contact connection; as, a father leads a child; a... Read More

photomedicine

Photomedicine Definition Photomedicine is a branch of medicine that specializes in the therapeutic application of light. As... Read More