Noun
A chloride having five atoms of chlorine in each molecule.
Source: Webster's dictionaryAn alternative reaction is between protactinium pentachloride and hydrogen bromide or thionyl bromide. Source: Internet
Tantalum pentachloride is hydrolyzed by water and reacts with additional tantalum at elevated temperatures by forming the black and highly hygroscopic tantalum tetrachloride (TaCl 4 ). Source: Internet
The hydride is obtained by direct action of hydrogen on the metal at 250 °C, and the nitride is a product of ammonia and protactinium tetrachloride or pentachloride. Source: Internet
Niobium pentafluoride (NbF 5 ) is a white solid with a melting point of 79.0 °C and niobium pentachloride (NbCl 5 ) is yellow (see image at left) with a melting point of 203.4 °C. Source: Internet
The pentachloride melts at 300 °C and sublimates at even lower temperatures. Source: Internet