Science / Chemistry / Anion: An anion is a negatively charged ion. Nonmetals typically form anions.


Life Style / Travel / Companionway: An interior stairway. Watch your step! Entrances into shipboard companionways often begin with a step up, before you make your way down. MORE

Companion Cells

Science / Biology / Companion Cells: Specialized cells in the phloem that load sugars into the sieve elements and help maintain a functional plasma membrane in the sieve elements. MORE

Companion Bonds

Business / Finance / Companion Bonds: A term used to refer to a financial statement in which all items are expressed as percentages of another item in the statement. For example, a common-sized balance sheet might show all values as a per MORE

Companion Fare

Life Style / Travel / Companion Fare: Promotional airfare whereby a second ticket may be purchased at a discount, provided two people are traveling together. MORE

Divalent Anion

Science / Chemistry / Divalent Anion: An ion with a charge of -2. MORE

Potassium (K)

Science / Periodic Table of Elements / Potassium (K): Atomic number: 19, Atomic mass: 39.0983 g.mol -1, Electronegativity: 0.8, Density: 0.86 -3 at 0 °C, Melting point: 63.2 °C, Boiling point: 760 °C, Vanderwaals radius: 0.235 nm, Ionic radius: 0 MORE