Answered: Arrange in order of increasing atomic…

Arrange in order of increasing atomic size. (a) the period 2 elements Li, C, and F (b) the group 4A elements Sn, Ge, and Si

Principles Of Radiographic Imaging: An Art And A Science

6th Edition

ISBN:9781337711067

Author:Richard R. Carlton, Arlene M. Adler, Vesna Balac

Publisher:Richard R. Carlton, Arlene M. Adler, Vesna Balac

Chapter2: Radiation Concepts

Section: Chapter Questions

Problem 7RQ

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Question

Arrange in order of increasing atomic size.

(a) the period 2 elements Li, C, and F

(b) the group 4A elements Sn, Ge, and Si

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Polonium is a rare element with 33 radioisotopes. The most common one, 210Po, has 82 protons and 128 neutrons. When 210Po decays, it emits an alpha particle, which is a helium nucleus (2 protons and 2 neutrons). 210Po decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. For example, they can be stopped by a single sheet of paper or a few inches of air. That is one reason that authorities failed to discover toxic amounts of 210Po in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006. What element does an atom of 210Po become after it emits an alpha particle?
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