Atomic Number (Z): The number of protons in an atomic nucleus. The atomic number and the element symbol are two alternate ways to label an element. In nuclide symbols, the atomic number is a leading subscript; for example, in 126C, the '6' is the atomic number.

 

Related Words

Atomic Number (Z): The number of protons in an atomic nucleus. The atomic number and the element symbol are two alternate ways to label an element. In nuclide symbols, the atomic number is a leading subscript; . . . View Full Definition

Number Of Days Sales Invested In Working Capital: An alternative measure of the amount of working capital used in generating the sales of a period: computed by dividing 365 days by the working capital turnover.

Number Of Days Sales In Receivables: A measure of the average number of days it takes to collect a credit sale: computed by dividing 365 days by the accounts receivable turnover.

Number Pooling: Increasingly popular tactic for conserving phone numbers. Numbers are returned by all carriers to a central authority, which puts them in a pool, from which carriers receive numbers in lots . . . View Full Definition

Number Portability: A term used to describe the capability of individuals, businesses and organizations to retain their existing telephone number(s) –– and the same quality of service –– when switching to a new . . . View Full Definition

Oxidation Number: A convention for representing a charge of an atom embedded within a compound, if the compound were purely ionic. For example, H2O is a covalent compound; if it were ionic, the hydrogens woul . . . View Full Definition

Ol Number One: A fastball. The term comes from the usual signal that a catcher gives to a pitcher for a fastball, which is pointing the number one down.

Number Of Days Of Inventory On Hand: An alternative measure of how well inventory is being managed: computed by dividing 365 days by the inventory turnover ratio.

Mobile Identification Number (MIN): Uniquely identifies a mobile unit within a wireless carrier's network. The MIN often can be dialed from other wireless or wireline networks. The number differs from the electronic serial num . . . View Full Definition

Mass Number: The total number of protons and neutrons in an atom or ion. In nuclide symbols the mass number is given as a leading superscript. In isotope names (e. G. Carbon-14, sodium-23) the mass numbe . . . View Full Definition