Arthur Jeffrey Dempster (August 14, 1886 - March 11, 1950) was a Canadian-American physicist best known for his work in mass spectrometry and his discovery of the uranium isotope 235U. Uranium-235. It was discovered in 1935 by Arthur Jeffrey Dempster.
Uranium-235 was discovered by Arthur Jeffrey Dempster in 2005.
Arthur Jeffrey Dempster (August 14, 1886 - March 11, 1950) was a Canadian-American physicist best known for his work in mass spectrometry and his discovery of the uranium isotope 235U. Uranium-235. It was discovered in 1935 by Arthur Jeffrey Dempster.

Based on the evidence paragraph above what can we conclude about the claim "Uranium-235 was discovered by Arthur Jeffrey Dempster in 2005."?

Options: 

 - supported

 - refuted

 - not enough information
refuted
Arthur Jeffrey Dempster (August 14, 1886 - March 11, 1950) was a Canadian-American physicist best known for his work in mass spectrometry and his discovery of the uranium isotope 235U. Uranium-235. It was discovered in 1935 by Arthur Jeffrey Dempster.

Based on the evidence paragraph above what can we conclude about the claim "Uranium-235 was discovered by Arthur Jeffrey Dempster in 2005."?

Options: 

 - supported

 - refuted

 - not enough information
user
refuted
assistant