Question

what is mean by ean rule​

Answer 1

Answer:

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Explanation:

Effective atomic number

(EAN), number that represents the total number of electrons surrounding the nucleus of a metal atom in a metal complex. ... The EAN rule is often referred to as the “18-electron rule” since, if one counts only valence electrons (6 for Co3+ and 2 × 6 = 12 for 6 NH3), the total number is 18.

Answer 2

Answer:

Effective atomic number

• Effective atomic number (EAN), number that represents the total number of electrons surrounding the nucleus of a metal atom in a metal complex. The EAN rule is often referred to as the “18-electron rule” since, if one counts only valence electrons (6 for Co3+ and 2 × 6 = 12 for 6 NH3), the total number is 18.