MNPEF – UFERSA, 2016.2

Carlos Alberto dos Santos

Professor Visitante

Departamento de Ciências Exatas e Naturais

Univ. Federal Rural do Semi-Árido

Mestrado Nacional Profissional de Ensino de Física

Marcos no Desenvolvimento da Física

cas.ufrgs@gmail.com

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MNPEF – UFERSA, 2016.2http://www.cienciahoje.org.br/noticia/v/ler/id/3009/n/o_indiana_jones

_do_nucleo_atomico

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MNPEF – UFERSA, 2016.2http://nobelprize.org/nobel_prizes/chemistry/laureates/1908/

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54 páginas

MNPEF – UFERSA, 2016.2

These experiments show that the uranium radiation is complex, and that there are present at least two distinct types of radiation—one that is very readily absorbed, which

will be termed for convenience the α radiation, and the

other of a more penetrative character, which will be

termed the β radiation

Paul Villard

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MNPEF – UFERSA, 2016.2cas.ufrgs@gmail.com

Harriet Brooks

Frederick Soddy

Robert BoyleOwens

Rutherford

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teII 0

Meia-vida

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MNPEF – UFERSA, 2016.2

HeYX A

Z

A

Z

4

2

4

2

eYX A

Z

A

Z

0

11

MNPEF – UFERSA, 2016.2

MNPEF – UFERSA, 2016.2

eYX A

Z

A

Z

0

11

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Não fala isso, Soddy. Eles vão nos acusar de alquimistas

Rutherford, isso étransmutação!

MNPEF – UFERSA, 2016.2

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MNPEF – UFERSA, 2016.2cas.ufrgs@gmail.com

MNPEF – UFERSA, 2016.2cas.ufrgs@gmail.com

MNPEF – UFERSA, 2016.2

MNPEF – UFERSA, 2016.2cas.ufrgs@gmail.com

Hans Geiger Ernest Marsden

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Geiger Rutherford

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MNPEF – UFERSA, 2016.2SBPC 2008 http://www.professorcarlos.com

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MNPEF – UFERSA, 2016.2

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MNPEF – UFERSA, 2016.2Isis, v.70, n.2, pp.213-223, 1979.

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MNPEF – UFERSA, 2016.2

MNPEF – UFERSA, 2016.2cas.ufrgs@gmail.com

CBeHe 13

6

9

4

4

2

50 MeV

MNPEF – UFERSA, 2016.2

nCBeHe 1

0

12

6

9

4

4

2

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MNPEF – UFERSA, 2016.2http://aes.ac.in/aeshs/FacultyWeb/Riffle/Interesting/

Discovery%20of%20the%20proton,neutron%20and%20elecron.pdf