(show all your works and make sure that you answer all questions from part a to

Question

(show all your works and make sure that you answer all questions from part a to part d. I give thanks to anyone who help me answer all questions from part a to part d)

a. identify all four (Z,A,Sy, and C) parts of code used to identify a nuclide: ZASyC

b. other than radioactivity, how do the chemical and physical properties of radioactive isotopes of an element compare to those of the stable ones

c. hydrogen, deuterium and tritium are isotopes of the element hydrogen. write the symbols for each of these three isotopes and what is the same for all three of these species

d. what is different about the three isotopes of hydrogen that also identifies the difference between all of the isotopes of any one element

Explanation / Answer

1) A - nucleons   Z - protons    N - neutrons

2)These are radioactive isotopes, since they have an unstable atomic nucleus (due to the balance between neutrons and protons) and emit energy and particles when it changes to a more stable form. The energy liberated in the form change can be measured with a Geiger counter or with photographic film.

Each radioisotope has a characteristic disintegration or semi-life period. Energy may be liberated mostly in the form of alpha (helium nuclei), beta, (electrons or positrons), or gamma (electromagnetic energy) rays

Symbol No. of Protons (p) No. of Neutrons (n) Mass number (A = p + n) Protium 1H1 1 0 1 Deuterium 1H2 or D 1 1 2 Tritium 1H3 or T 1 2 3

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