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A Uranium-(238,92) nucleus decays into a Thorium-234 nucleus by the emission of an alpha-particle. Given Thorium has a chemical symbol Th build a nuclear equation.

A nuclear equation expresses all of the elements before (LHS of = sign) and after (RHS of = sign) the reaction in terms of nucleon (N) and proton number (A), both quantities are conserved during the react...

Answered by Alistair G. • Physics tutor

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How are women presented in the 19th century novel?

E.g from Jane Eyre....Charlotte Bronte depicts women as complicated and at times unconventional characters who both conform to, and subvert Victorian patriarchal norms. The norms t...

Answered by Phoebe L. • English Language tutor

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When should I use the passé composé, and when I use the imperfect tense?

The passé composé is used for completed actions and events that occurred at a specific time, whereas the imperfect is u...

Answered by George N. • French tutor

1961 Views

Describe how a PET scan works?

A PET scan which is known as Positron Emission Topography involves passing a positron emitting source through a patient. The source used for a PET scan is FDG which contains Fluorine-18. A positron emitte...

Answered by Arjun S. • Physics tutor

7676 Views

Describe and explain the photoelectric effect in terms of photons interacting with the surface of a metal.

The photoelectric effect occurs when individual photons are incident on a clean metal surface. The photons are absorbed by electrons in the clean metal surface and they are released as photoelectrons. The...

Answered by Arjun S. • Physics tutor

7308 Views