In 1799, Joseph Louis Proust was the first to recognize that chemical compounds may have a definite, constant composition. Proust formally stated a law of constant proportions. This law raised the possibility that elements might have certain...

Valence refers to a number assigned to elements that reflects their ability to react with other elements and the type of reactions the element will undergo. The term valence is derived from the Latin word for strength and can reflect an element's...

In chemistry, valence, also known as valency or valency number, is a measure of the number of chemical bonds formed by the atoms of a given element. Over the last century, the concept of valence evolved into a range of approaches for describing the...

Take-Two Interactive Software Inc., the troubled video game publisher behind the "Grand Theft Auto" series, said Monday it is looking into options that could include a sale of the company.Take-Two, which is facing an attempt by a shareholder group to replace its board and possibly...

The battle between conservative Nicolas Sarkozy and Socialist Segolene Royal heated up Tuesday with both candidates in France's presidential runoff trying to woo voters in the political center who hold the ticket to victory.Centrist candidate Francois Bayrou is no longer in the running, but his...

Investors at video game publisher Take-Two Interactive Software Inc. ousted five of six board members up for re-election Thursday, including the chief executive, who was booted from the boardroom and the executive suite.After years of management gaffes and embarrassing marketing stunts, frustrated shareholders said a...

Angry shareholders at one of the world's most popular video game publishers are threatening to oust board members and even the CEO Thursday at the company's annual meeting.After years of management gaffes and embarrassing marketing stunts, dissident investors say a boardroom shake-up is the only...