silicon-30

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Secret Service Agent Listens To Earpiece

Secret Service Code Names of 11 U.S. Presidents

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.

11 Egyptian Gods and Goddesses

World Data Locator Map: Australia

Is Australia an Island?

Alexander Hamilton New York delegate to the Constitutional Convention (1787), major author of the Federalist papers (The Federalist). Print: mezzotint, color 1930-40. Copyright by Frost & Reed, Ltd

10 Things You Need to Know About the Hamilton-Burr Duel, According to Hamilton’s Burr

Shoebill. A Shoebill Stork (Balaeniceps rex), aka 'Whalehead' standing in shallow marsh. Resides in tropical East Africa. A very large bird related to the storks. It derives its name from its massive shoe-shaped bill.

Funky Feathers: 10 Bizarre Birds

Adolf Hitler (Nazi, nazism, German leader).

9 Things You Might Not Know About Adolf Hitler

silicon-30

isotope

Learn about this topic in these articles:

occurrence

In silicon: Properties of the element
70 percent; and silicon-30, 3.09 percent. Five radioactive isotopes are known.
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