Work out the number of electrons, protons and neutrons in Silicon 29 isotope.
First look at the periodic table to find the atomic number - 14.Then if it is a stable atom with no valency, the electron number will be equal to the proton number - 14.To work out the number of neutrons, subtract the number of protons (the atomic number) from the mass number of the isotope - 29-14=15
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