It has an atomic number, Z = 14, and a mass number, A = 28. Both carbon and silicon are member of same group of periodic table that is 14 th group. The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.After the discovery of the neutron in 1932, models for a nucleus composed of protons and neutrons were quickly developed by Dmitri Ivanenko and Werner Heisenberg. The atomic number of carbon is 6 and the atomic number of silicon is 14. How many protons, electrons, and neutrons does Si-28, Si-29, and Si-30 have? The chemical symbol for Silicon is Si . Silicon is a hard and brittle crystalline solid with a blue-grey metallic lustre, it is a tetravalent metalloid and semiconductor. We're talking about the element silicon, and Si-29 has 15 neutrons. Name of Element Element Symbol Mass Number Atomic Number Protons Neutrons Protons, Neutrons, and Electrons Practice Worksheet Use the periodic table to find the numbers of protons, neutrons, and electrons for atoms of the following elements. Silicon is a group 4 semiconductor, which typically makes 4 bonds with other atoms, and forms many compounds that are similar to those of carbon, which is in the same group. We know it has 14 protons, because the element was identified as silicon in the question. Silver. ... What is the correct symbol for an isotope of carbon with 6 protons and 6 neutrons? This diagram goes into detail on where the protons, neutrons, and electrons are located.,-Neutrons,-and-Electrons Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. In this video we’ll use the Periodic table and a few simple rules to find the protons, electrons, and neutrons for the element Silicon (Si). 12C (12 is smaller and above the letter here) ... Iodine, silicon, silver, argon. This picture does a good job at showing that there are fourteen protons (P) and fourteen neutrons (N) in the nucleus of the silicon atom. 11. An element with 5 protons, 6 neutrons, and 8 electrons has an atomic number of. The electron configuration of silicon is 1s2 2s2 2p6 3s2 3p2.