Atomic Structure

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by superduck
Last updated 5 years ago

Discipline:
Science
Subject:
Chemistry
Grade:
5,6,7,8

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Atomic Structure

If you want a challenge, click here to arrange some missing elements in the periodic table!

Niels Bohr (1885-1962), a Danish physicist and pioneer researcher into atomic structure. Working with Ernest Rutherford at Cambridge University, he found that the atom consisted of a positively-charged nucleus surrounded by negative "planetary" electrons. In 1913 Bohr postulated that electrons move around the nucleus of the atom in restricted orbits. In 1943 Bohr was forced to flee from his homeland because of the Nazi occupation. He is pictured here in 1948, arriving to join the faculty of the Institute for Advanced Study at Princeton. During World War II he assisted in the atomic bomb research in the U.S.

Atomic Structure

Watch this first!

In 1869 Dmitri Mendeleev developed the periodic table of the elements. He used it to predict the existence of three elements that were unknown at the time.

GOLD!

Below is a gold atom with its electrons.

Gold is one of the elements. Here are some bits of info about it.

Click here to see my references

Click here to read about atomic structure, and then click the "Take Quiz on Atom. Struct." to see how well you know atoms!


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