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What country discovered lead element?
It was never really discovered. A majority of the human race already knew what lead was prior to countries.
How did other people feel when Marie Curie discovered radium and poloinum?
Pretty exited that it can cure cancer pateints.Althogh they wouldnt be that exited if they knew the dangerous beauty of radium.Which Marie Curie never wanted to admit (not sure why).
Who was Marie curies friends?
she knew Albert Einstein
Did Christopher ever realize what he discovered?
No he never knew that he discovered the New World.!
Who knew about Cleopatra's death?
Everyone knew a soon as it was discovered. Her death was not kept secret.
What is the stereo code for 2001 Honda Element?
I never knew there was a 2001 element!!!
Did King Louis XVI cheat on his wife?
Yes, he cheated on his wife, (Marie) with his servants sister. Marie never knew.
Has Marie Osmond ever had Affairs?
If I knew the Answer I would not have Summitted to this Site ???
How was it possible that Mendeleev was able to predict the properties of element no one knew about?
If I knew I wouldn't be asking!
What are the release dates for Who Knew - 2010 Frogs Re-Discovered 3-30?
Who Knew - 2010 Frogs Re-Discovered 3-30 was released on: USA: 9 February 2011
Why did Mendeleev leave spaces in his table?
Because he knew from his already discovered periods and groups of elements that the gaps would be filled by newly discovered elements. If you have a gap such as this, 3d5__3d7 along a period's outer valance level you can predict, which Mendeleev did, that the element with the outer valance number, 3d6, will be found in the future.
Who discovered the mouth of the Amazon river in 1499?
The spanish discovered the mouth of the Amazon for Europe. The Brazillian Natives knew it was there.
