Question 1

Who was Francis William Aston?

Accepted Answer

Francis William Aston was a British chemist and physicist known for his discovery of isotopes using a mass spectrometer. He was awarded the Nobel Prize in Chemistry in 1922 for his work on isotopes and the development of the mass spectrometer.

Question 2

What recognition did Francis William Aston receive for his scientific work?

Accepted Answer

Francis William Aston was awarded the Nobel Prize in Chemistry in 1922 for his discovery of isotopes in a large number of non-radioactive elements using his invention, the mass spectrometer, and for adeptly using it to advance the atomic theory.

Question 3

What was Francis William Aston's contribution to the atomic theory?

Accepted Answer

Francis William Aston's major contribution to atomic theory was his discovery of isotopes and the determination of their exact masses. His work on isotopes helped to confirm and extend the atomic theory, showing that elements could have atoms with different masses (isotopes).

Question 4

When did Francis William Aston develop the mass spectrometer?

Accepted Answer

Francis William Aston developed the first mass spectrometer in 1919. This instrument allowed him to separate isotopes and measure their masses accurately, leading to significant advancements in the understanding of isotopes.

Francis William Aston

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