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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.
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What is the 18 electron rule?
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.
What is miscibility temperature?
Miscibility temperature at a particular composition is the temperature at which the components of a mixture combine together to form a homogeneous solution.
How does oxygen not follow the octet rule?
It does follow the octet rule!
Which rule is violated in the configuration of 1s2 2s2 2px2?
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.
Is NH3 an exception to the octet rule?
No, CH4 follows the octet rule.
When was Ean Campbell born?
Ean Campbell was born in 1856.
When did Ean Campbell die?
Ean Campbell died in 1921.
When was Ean Schuessler born?
Ean Schuessler was born in 1970.
How tall is Ean Mering?
Ean Mering is 5' 9".
When was Ean Golden born?
Ean Golden was born on 1980-01-17.
When was Ean Randolph born?
Ean Randolph was born on 1984-04-22.
When was Ean Evans born?
Ean Evans was born in Atlanta, in Georgia, USA.
What is the birth name of Ean Evans?
Ean Evans's birth name is Donald Evans.
How do you sayspell please talk to me in Korean?
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
When was Ean Mering born?
Ean Mering was born in November 1977, in Los Angeles, California, USA.
What end with ean?
beankeanseanlean
When did Ean Evans die?
Ean Evans died on May 6, 2009, in Columbus, Mississippi, USA of cancer.
