Limit to expanded octet

[Aedra Li 3H]

Is there a certain amount of lone pairs or bonds that an expanded octet can have?

[Ariel Davydov 1C]

It would most likely be limited to the number of electrons available in the element's d-orbital. Typically though, you would use the formal charge of the element to determine how many electrons its expanded octet would typically hold at its lowest energy state.

[ZevMarx-Kahn3C]

What if the element also has the f-orbital available to it?

[ChristianM3F]

Also, so if the expanded octet rule would be limited by the space in the d/f orbitals, would that mean:
-elements in the p-block on period 3 can have an expanded octet of up to... ten electrons..?
-elements in the d-block on period 4 can have an expanded octet of up to 10-how many electrons are in the d-block already. For example, Iron can have an expanded octet of four more electrons (since there's room for four more electrons in the d-block...)
Can anyone confirm? Or at least say their thoughts..?

[Kevin Liu 1J]

Expanded octet often is restrained to those with odd number of valence electrons

[AnayaArnold_3L]

it usually involves the number of valence electrons available in either the d or p block.

[san_2F]

The limit would have to do with number of electrons an entire molecule can have and the formal charges.

[Adelpha Chan 1B]

Is there a certain amount of lone pairs or bonds that an expanded octet can have?

The amount of lone pairs or bonds are limited to the amount of un-bonded pairs available in the atom. The number of electrons available in the expanded octet are restricted to the capacity of the d and f orbital.