Lead (pronounced /ˈlɛd/, led) is a main-group element with symbol Pb (Latin: plumbum) and atomic number 82. Lead is a soft, malleable poor metal, also considered to be one of the heavy metals. Lead has a bluish-white color when freshly cut, but tarnishes to a dull grayish color when exposed to air. It has a shiny chrome-silver luster when melted into a liquid.
Lead is used in building construction, lead-acid batteries, bullets and shot, weights, and is part of solder, pewter, fusible alloys and radiation shields. Lead has the highest atomic number of all stable elements, although the next element, bismuth, has a half-life so long (longer than the estimated age of the universe) it can be considered stable. Like Mercury, another heavy metal, lead is a potent neurotoxin that accumulates in soft tissues and bone over time. Lead poisoning was documented in ancient Rome, Greece, and China.
why helium does not react with other elements to form compounds
Plutonium react with the majority of nonmetals; plutonium doesn't react with noble gases. Plutonium can form alloys with other metals.
Some chemical equations don't have byproducts. The most obvious one is hydrogen and oxygen. React them and all you get is water. In other equations, there are definitely byproducts...if you were crazy enough to react sodium hydroxide and hydrochloric acid (do this in a fume hood, please) you will get sodium chloride and water. The water would be the byproduct.
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Curium doesn't react with water.
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Not sure what you mean by this please provide more information. React to what?
why helium does not react with other elements to form compounds
It will react vigourisly
What ultimatum. Be precise in your question please
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Explain Why did Great Britainraise taxes on the Americancolonists after 1763? Whateffect did this have on thecolonists?
melina perez look her up please
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The ozone is destructed due to CFC's. They react with ozone to deplete it.
Sodium. Sodium is more reactive than calcium, because sodium has one valence electron whereas calcium has two valence electron. It is easier to lose one electron and react with oxygen and form sodium oxide, compared to losing two electrons and from calcium oxide.
The ozone layer breaks due to CFC's. They react with ozone to deplete it.