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Is cesium radioactive and synthetic?

Some isotopes of cesium are radioactive and synthetic, as indicated in recent news reports about the Japanese nuclear reactor damaged by the recent severe earthquake/tsunami. (The radioactive cesium reported was formed by atomic fission of uranium and/or plutonium in the reactor.) However, most cesium is neither radioactive nor synthetic!


What is the mass number for cesium?

The standard atomic weight for cesium is 133. There are 3 other radioactive cesium isotopes that have atomic weights of 134, 135, and 137. Cesium 133 is the only one that is found in nature. The other isotopes are synthetic.


Is concrete natural or synthetic?

It is synthetic, but what we use to make concrete is natural AND synthetic.


Is synthetic natural gas available?

is bromine natural or synthetic?


Is polyester synthetic or natural?

Polyester is synthetic.


Is toothpaste a natural or synthetic?

it is synthetic


Is cesium natural or man made?

Cesium is a naturally occurring element on Earth. It is found in low abundance in minerals such as pollucite and lepidolite, as well as in seawater and in mineral springs.


Is amphetamines a natural or synthetic drug?

they are synthetic.


Is yttrium natural or synthetic?

Yttrium is a natural element found in the Earth's crust. It is not a synthetic element.


What element is radioactive and synthetic plutonium xenon barium or cesium?

Plutonium and xenon are radioactive elements. Plutonium is a synthetic element, while xenon occurs naturally but can also be produced synthetically. Barium and cesium are not synthetic elements but can have radioactive isotopes.


Is manganese natural or synthetic?

its natural


Is niobium natural or synthetic?

natural