![]() All isotopes of nitrogen behave pretty much the same in chemical reactions, for example. The behavior of an atom depends more on its atomic number than on its atomic mass. The atomic mass of silicon is said to be, therefore, 28.086, when one factors in the masses and relative abundances of different isotopes of silicon. However, 5% of silicon atoms have 15 neutrons and another 3% have 16 neutrons, giving them atomic masses of 29 and 30 respectively. For example, 92% of silicon in Earth's crust is the isotope 28Si, which has 14 protons plus 14 neutrons. What gives? Surely there isn't a fraction of a proton or neutron hiding inside the oxygen atom's nucleus! The atomic mass for an element is expressed as the weighted average across all isotopes of that element, based on its abundance on Earth. Sometimes you may see atomic masses expressed as fractions, such as 15.9994 for oxygen. For example, a simple hydrogen atom with just a single proton has an atomic mass of 1 a "normal" carbon atom with 6 neutrons and 6 protons has an atomic mass of 12. "Atomic mass" is essentially a count of the number of neutrons plus the number of protons in the nucleus of a particular type of atom. Protons and neutrons have nearly identical masses. The nucleus of an atom contains protons and (in most cases) neutrons. Since the nucleus of an atom contains nearly all (more than 99%) of an atom's mass, "atomic mass" is more-or-less a description of the mass in the nucleus. The electronic configuration of Silicon will be 1s2 2s2 2p6 3s2 3p2."Atomic mass" is a term physicists use to describe the size (mass) of an atom of a specific type. How do you write the electron configuration for Silicon? The electronic configuration of Silicon will be 1s2 2s2 2p6 3s2 3p2. What is the electronic configuration of Silicon 14? What is the boiling Point of Silicon in Kelvin?īoiling Point of Silicon in Kelvin is 3173 K. Melting Point of Silicon in Kelvin is 1687 K. What is the melting Point of Silicon in Kelvin? What is the boiling Point of Silicon?īoiling Point of Silicon is 3173 K. Silicon has 14 electrons out of which 4 valence electrons are present in the 3s2 3p2 outer orbitals of atom. How many valence electrons does a Silicon atom have? It is located in group 14 and period 3 in the modern periodic table. Silicon is the 14 element on the periodic table. Silicon is a chemical element with the symbol Si and atomic number 14. What is the position of Silicon in the Periodic Table? Silicon is a chemical element with symbol Si and atomic number 14. To form abbreviated notation of electronic configuration, the completely filled subshells are replaced by the noble gas of the preceding period in square brackets. The abbreviated electronic configuration of Silicon is 3s2 3p2. What is the abbreviated electronic configuration of Silicon? The electronic configuration of Silicon is 1s2 2s2 2p6 3s2 3p2. ![]() What is the electronic configuration of Silicon? ![]() Silicon Thermal Properties - Enthalpies and thermodynamics Optical Properties of Silicon Refractive IndexĪcoustic Properties of Silicon Speed of Sound Silicon Magnetic Properties Magnetic Type ![]() Silicon Heat and Conduction Properties Thermal Conductivity Refer to table below for the Electrical properties ofSilicon Electrical Conductivity Hardness of Silicon - Tests to Measure of Hardness of Element Mohs Hardness Refer to below table for Silicon Physical Properties DensityĢ.33 g/cm3(when liquid at m.p density is $2.57 g/cm3)
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