Carbon, silicon and germanium, Chemistry

Assignment Help:

CARBON, SILICON AND GERMANIUM

With the valence electron configuration s2p2 the nonmetallic group of elements 14 may form compounds with four tetrahedrally directed covalent bonds. Only carbon forms strong and rigid multiple bonds and its compounds define many differences in properties and structure from those of Si and Ge. The metallic elements of the group (Pb and Sn), germanium has some stable and reliable divalent compounds.

 

The abundances of the elements by weight in the crust are: Si 27% (second only to oxygen), C and Ge Carbon is locating as carbonate minerals and in smaller amounts as the element and in hydrocarbon deposits. It is required in the atmosphere (as the greenhouse gas CO2) and is the major element of nature. Silicate minerals are the dominant chemical compounds of the underlying mantle and of the crust. Germanium is strongly but thinly distributed in silicate and sulfide minerals.

 

 


Related Discussions:- Carbon, silicon and germanium

Electrochemistry, reversible and irreversible cell with example

reversible and irreversible cell with example

What are the de broglies waves, Q. What are the De Broglies waves? Bohr...

Q. What are the De Broglies waves? Bohr anticipated that hydrogen's single electron could orbit at only specific distances from the atom's nucleus. When the electron is in the

An e - has magnetic quantum number, An e - has magnetic quantum number as 3...

An e - has magnetic quantum number as 3, what is its principal quantum number: (1) 1        (2) 2    (3) 3            (4) 4 Ans: 4

Explain about bohr atomic model, Q. Explain about Bohr atomic model? Bo...

Q. Explain about Bohr atomic model? Bohr anticipated that hydrogen's single electron could orbit at only specific distances from the atom's nucleus. When the electron is in the

Physical properties of amino acids, Physical properties of Amino acids ...

Physical properties of Amino acids (a) Amino acids are colourless, crystalline substances comprising sweet taste. They melt along with decomposition at higher temperature (much

Bohr''s principle the relation between principle quantum no, According to B...

According to Bohr's principle, the relation between principle quantum number and radius of orbit is: (1) r ∞ n    (2) r ∞ n 2       (3) ∞1/n  (4) r∞ 1/ n 2 Ans:  r

Explain the liquid junctions, Explain the Liquid junctions? Some galvan...

Explain the Liquid junctions? Some galvanic cells contain two electrolyte solutions with different compositions. These solutions must be separated by a porous barrier or some o

The magnetic quantum number for an electron, The magnetic quantum number fo...

The magnetic quantum number for an electron when the value of principal quantum number is 2 can have: (1)3 values (2) values (3)9 values (4)6 values Ans: 3 values

Surface tension, Why liquids rise in the cappilary tube ? Explain.

Why liquids rise in the cappilary tube ? Explain.

What are independent and dependent variables, Q. What are Independent and d...

Q. What are Independent and dependent variables? Independent variables are the parameters such as ingredients and processing condition which have effect on product quality. Dep

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd