no.of atoms in silicon?
912562
Silicon is an Atom... so 1.\n\nIf you asking about protons and neutrons....\n\nName: Silicon \nSymbol: Si \nAtomic Number: 14 \nAtomic Mass: 28.0855 amu \nMelting Point: 1410.0 °C (1683.15 K, 2570.0 °F) \nBoiling Point: 2355.0 °C (2628.15 K, 4271.0 °F) \nNumber of Protons/Electrons: 14 \nNumber of Neutrons: 14 \nClassification: Metalloid \nCrystal Structure: Cubic \nDensity @ 293 K: 2.329 g/cm3 \nColor: grey
192645
I learned that Silicon and Gallium Arsenide are both compounded semiconductors because they each have been doped with elements that make the semiconductor either have electrons as the majority carriers or holes, in either case.  An elemental semiconductor would be carbon, since in its pure elemental state it is a resistor and has neither surplus holes or electrons--it is a semiconductor naturally.
1025988
ummmmm, I don't think any of them have an octet on the central atom
795345
Same number of protons\n\ndifferent number of neutrons
550020
GENERAL INFORMATION\n* Atomic Symbol-Si\n* Atomic Number-14\n* Atomic Mass-28.0855\n* Group name-Carbon family\n\nHISTORY\n* discovered in 1824\n* discovered by Jöns Jacob Berzelius\n* found in the earth's crust\n\nPHYSICAL CHARACTERISTICS\n* melting point-1687K\n* sate of matter-solid\n* color-dark grey, bluish tinge\n* density-2330kg/m\n\nCHEMICAL PROPERTIES\n* ionization energy-8.152 eV\n* electronegativy-1.90 (pauling scale)\n* boiling point-3538K\n* relatively inert\n\nUSES\n* semi-conductors\n* glass\n* concrete\n* brick\n* pottery\n* cosmetics\n* computers\n* medical equipment\n* biological uses\n\nTOXICITY\n* can be combustible\n* explosive when in contact with halogen oxidants\n* inhalation causes coughing\n* contact with skin or eyes can cause redness\n\nINTERESTING ASPECTS OF SILICON\n* 2nd most abundant element in the earth's crust\n* Silicon Valley, CA is named after the element because of its use in technology\n* present in the sun and stars\n* In Latin, Silex meaning flint
693223
Yes an atom is the same as an element.  A single atom is the smallest particle of an element.  There are 118 different elements in the periodic table. For example, a Hydrogen atom is one proton and one electron.  The next element in the periodic table is Helium, it has one proton, one neutron and one electron.  Each of these atom examples represent their own element.  So you see a single atom does represent it's own particular element, as discussed in the Hydrogen and Helium examples.
311707
You may be thinking of silicon doping. That is what they call it when very small amounts of very specific impurities are added to very pure silicon to make semiconductors, like diodes and transistors.
458573
While similar to carbon, silicon does not form double bonds in the way that carbon does. Nor does it form extensive ring compounds. This is ultimately due to the fact that carbon is smaller and more electronegative than silicon. The only way that silicon form complex structures is in conjunction with oxygen and even then, it is more limited than carbon. So it is unlikely that the complexities required for life would be possible for silicon based chemistry. Too bad....
819588
number of atoms (of each element) on one side equals the other side.
653146
C. Silicon (sand) and oxygen (think of all of the air and water(h2o)
1062179
well, lets think about this\n\navagodro's number is the number of atoms in a mole and =\n6.02 x 10^23\n\nso, if we divide the number of atoms in the problem by the number of atoms in a mole, we will get moles of the atom\n\nI think you get .0027 moles.\na quick glance at the periodic table of the elements will give you the molecular weight for silicon\n28.0855 grams/mole\n\nmultiply and you get .076 or in sci notation, 7.6 x 10^-2\n\nassuming I punched the calculator correctly, it looks like "E".
857111
Nope not really\nactually\nit is 12\n8 atoms of hydrogen 4x2=8 and 4 atoms of oxygen 4x1=4\n8+4=12\nGood try though.
772133
proton-neutron-proton\nproton = positive = +\nneutron = negative = -\nits for semiconductors
978967
Ultra pure silicon.  Various substances are added in minute amounts at strategic locations to change the local electrical property, creating transistors.
878474
Um, there's over a hundred elements.  I'm not going to name them all for you.  Look at a periodic table.  I'm sure there's one in your chemistry book.
515612
Atoms do not have a charge.\nIons have a charge (either plus or minus)
63908
Solid Phase,Silicon makes up 25.7% of the earth's crust and is the second most abundant element on Earth, after oxygen. Elemental silicon is not found in nature. It occurs most often as oxides and as silicates. Sand, amethyst, agate, quartz, rock crystal, flint, jasper, and opal are some of the forms in which the oxide appears. Granite, asbestos, feldspar, clay, hornblende, and mica are a few of the many silicate minerals.\n\nhttp://periodic.lanl.gov/elements/14.html