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What name did Friedrich Oskar Giesel give to the actinium he found in 1902?
Answer
emanium
In the Fajans-Soddy law, alpha emission lowers atomic number by how many places?
Answer
two
Who announced the discovery of actinium in 1899 from pitchblende residues?
Answer
André-Louis Debierne
In 1903, Soddy showed the decay of which element produced helium gas?
Answer
radium
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Who suggested the word isotope to Frederick Soddy?
Answer
Margaret Todd
Who announced the discovery of actinium in 1899 from pitchblende residues?
Answer
André-Louis Debierne
What term means one element changing into another during radioactive decay?
Answer
transmutation
Which English radiochemist explained radioactive transmutation with Ernest Rutherford?
Answer
Frederick Soddy
In 1906, Marie Curie became the first woman professor at which university?
Answer
University of Paris