Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3752Chemical news office., 1932 |
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Strona 168
... nucleus and surrounding electron shell , and the periodicity of these charac- teristic features . Thus by plotting isotopic weight , that is the proton number , p , against atomic num- ber AN , the number of nuclear electrons and ...
... nucleus and surrounding electron shell , and the periodicity of these charac- teristic features . Thus by plotting isotopic weight , that is the proton number , p , against atomic num- ber AN , the number of nuclear electrons and ...
Strona 170
... nucleus . Its atomic number is 82 , and subtracting 82/2 or 41 Pe2 , that is 164 protons and 82 electrons leaves 42 ... nucleus consists then of ( a ) alpha - particles or helium nuclei , a or pe , the number of which is equal to half ...
... nucleus . Its atomic number is 82 , and subtracting 82/2 or 41 Pe2 , that is 164 protons and 82 electrons leaves 42 ... nucleus consists then of ( a ) alpha - particles or helium nuclei , a or pe , the number of which is equal to half ...
Strona 171
... nucleus and to distribute these number of protons and electrons among alpha - particles and neutrons ; thus , the isotopes of zinc have the following nuclear composition : The upper portion of each section of the chart illustrates the ...
... nucleus and to distribute these number of protons and electrons among alpha - particles and neutrons ; thus , the isotopes of zinc have the following nuclear composition : The upper portion of each section of the chart illustrates the ...
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