Sentences with phrase «dozen chemical elements»

Not exact matches

While mostly copper, the blade contains small concentrations of lead, arsenic, silver and more than a dozen other chemical elements.

Thus, young stars contain larger amounts of heavy elements produced by dozens or hundreds of supernovae, while the oldest stars have a very simple chemical makeup with few of the heavy elements.

Hazen began his case in deep, deep time, 4.6 billion years ago, in the pre-stellar dust that contained all the chemical elements but no more than a dozen minerals.

Also emitted were alpha and beta particles, plasma, and dozens of transmuted chemical elements.

Since the average home in North America contains dozens if not hundreds of harmful chemicals and heavy metals, it is important to be informed about where these toxic elements may be hiding so you can remove and replace them quickly.