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1 jan 1913 ano - Henry G.J. Mosely In 1913, a British scientist Henry G.J. Mosely was studying atomics. While he was studying he found something that totally changed the thought process. He discovered that the name of the property isn’t defined by the weight of it but by the number.

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Data:

1 jan 1913 ano
Agora
~ 112 years ago

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