Lead - Wikipedia
网页Lead is a chemical element; it has symbol Pb (from Latin plumbum) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When …
Lead | Definition, Uses, Properties, & Facts | Britannica
网页Lead, a soft, silvery white or grayish metal in Group 14 (IVa) of the periodic table. Lead is very malleable, ductile, and dense and is a poor conductor of electricity. Known in antiquity and believed by the alchemists to be the oldest of metals, lead is highly durable and resistant to corrosion.
Lead (Pb) - Periodic Table
网页Lead is a chemical element of the periodic table with chemical symbol Pb and atomic number 82 with an atomic weight of 207.21 u and is classed as post-transition metal and is part of group 14 (carbon group). Lead is solid at …
Lead - Element information, properties and uses | Periodic Table
网页Lead is the Eeyore of metals - slow, dull and heavy. In its Latin form, plumbum, it enters our vocabulary by virtue of its soft and ponderous character: we once plumbed depths with a suspended grey blob of the stuff, emphatically commanded by gravity, while plumbers have long since traded their malleable lead pipes for plastic. Everything ...
82. Plumbum (Lead) - Elementymology & Elements Multidict
网页Plumbum was the generic name for soft white metals with low melting points, as lead and tin, and later also bismuth and their alloys. Later plumbum was differentiated with the addition of black and white: Plumbum album (white plumbum; or Plumbum candidum) for Tin and Plumbum nigrum (black plumbum) for Lead. 2.
Before It Was Dangerous, Lead Was The Miracle Metal That We …
网页2016年4月6日 · It started with the Romans, who plumbed their famous baths with lead water pipes and lined aqueducts with lead. They called lead plumbum, which was where the word "plumbing" came from. Romans ...
plumbum是什么意思_ plumbum的翻译_音标_读音_用法_例句_爱 …
网页爱词霸权威在线词典,为您提供 plumbum的中文意思, plumbum的用法讲解, plumbum的读音, plumbum的同义词, plumbum的反义词, plumbum的例句等英语服务。.
Lead between the lines - Nature Chemistry
网页2013年9月23日 · Lead's symbol Pb originates from its Latin name, plumbum — which actually used to refer to soft metals more generally. In fact, lead and tin were not clearly distinguished until the sixteenth ...
Lead Facts and Properties - Element 82 or Pb - ThoughtCo
网页2019年9月2日 · Lead is a heavy metallic element, commonly encountered in radiation shielding and soft alloys. It is a dull gray metal with element symbol Pb and atomic number 82. Here's a collection of interesting facts about …
Plumbum - Vocab, Definition, and Must Know Facts | Fiveable
网页Plumbum is the Latin word for lead, a heavy metal that has been used since ancient times. This term has significant relevance in scientific terminology, particularly in chemistry and materials science, where lead is recognized for its properties and applications.