In 2010-11, the average tuition and fees at a private not-for-profit college were $26,769, while tuition and fees at private for-profit colleges came in at $14,236. The costs of books and supplies at private not-for-profit colleges was $1,217, while the cost of books at for-profit colleges was lower, at $799.uition expenses can vary greatly, depending on the type of two-year institution you hope to attend. In 2009, the average tuition at a public two-year college was $2,156. Average tuition at a private not-for-profit two-year college was $12,725, while tuition at a private for-profit two-year college was $13,858.
Number of Neutrons Melting Point Boiling Point Date of Discovery Crystal Structure. Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals Metalloids Non-Metals Halogens Noble Gases Rare Earth Elements Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page. Basic Information Name: Silicon Symbol: Si Atomic Number: 14 Atomic Mass: 28.0855 amu Melting Point: 1410.0 Â°C (1683.15 K, 2570.0 Â°F) Boiling Point: 2355.0 Â°C (2628.15 K, 4271.0 Â°F) Number of Protons/Electrons: 14 Number of Neutrons: 14 Classification: Metalloid Crystal Structure: Cubic Density @ 293 K: 2.329 g/cm 3 Color: grey Atomic Structure
The atomic number of silicon (Si) is 14.   The atomic weight of Si is 28.0855 grams per mole.   See the Web Links and the Related Questions to the below this answer for â¦ a periodic table and more information about this element.nswer   Silicon's atomic number is 14 so it has 14 electrons. There are 2 on the first shell 8 on the second shell and 4 on the outer most shell.   There are four val â¦ ance electrons in a silicon atom. 11 people found this useful.