When a complex is formed,ligands are added till the sum of electrons donated by the ligands and those present on the central atom/ion became equal to the electrons in the next noble gas.Most of the complex entities obey this rule.However there are many compounds that defy this rule.
EAN can be calculated by the following relationship:
EAN=Z(metal atom)-O.N. of metal + 2*C.N.
The 18 electron rule (also known as the Effective Atomic Number Rule or EAN rule) was originally proposed by N.V. Sigwick when extending the octet rule proposed by G.N. Lewis in applying it to organometallic compounds. The idea behind both of these rules is that in a compound the sum total of all of the electrons would have the configuration of a noble gas. With the octet rule there is the basic assumption that the central atom in the compound is 8 (the maximum capacity of the s and p orbitals). The 18 electron rule is based on a similar idea as the octet rule, however it takes into consideration the d orbital too - 2 (s) + 6 (p) + 10 (d) = 18.
Miscibility temperature at a particular composition is the temperature at which the components of a mixture combine together to form a homogeneous solution.
It does follow the octet rule!
The rule that is violated in the configuration of 1s2 2s2 2px2 is the Hund's Rule. Hund's rule states that all electrons do not want to be with each other.
No, CH4 follows the octet rule.
Ean Campbell was born in 1856.
Ean Campbell died in 1921.
Ean Schuessler was born in 1970.
Ean Mering is 5' 9".
Ean Golden was born on 1980-01-17.
Ean Randolph was born on 1984-04-22.
Ean Evans was born in Atlanta, in Georgia, USA.
Ean Evans's birth name is Donald Evans.
By saying every word with a EAN at the end of every word By saying every word with a EAN at the end of every word By saying every word with a EAN at the end of every word By saying every word with a EAN at the end of every word By saying every word with a EAN at the end of every word By saying every word with a EAN at the end of every word
Ean Mering was born in November 1977, in Los Angeles, California, USA.
beankeanseanlean
Ean Evans died on May 6, 2009, in Columbus, Mississippi, USA of cancer.