September 17

Science questions

The uranium atom.

The uranium atom is made of 92 protons 92 electrons and 143 to 146  nuetrons.

Radioactive elements.

The radioactive elements on the earths crust are promethium,polonium,astatine,radon,francium,radium,actinum,proactinumand and uranium.

The nobel prize.

The nobel prize is made of 18 carat green gold plated with 24 carat gold. You can win a nobel prize by making or coming up with an idea that is really usefull. Or papers of work. And this can be won in alot of topics like physics,literature,peace,medicine and economics.

Posted September 17, 2013 by anton2013 in category 2014 and 2013, Schoolwork

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