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Yes, certain elements in the Periodic Table, such as elements in the third row and beyond, can have an expanded octet, meaning they can have more than eight valence electrons in their outer shell.

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How many what elements can for compounds with expanded octet....I O Cl Xe...?

Elements in the third period or beyond (Si and beyond) in the periodic table can form compounds with expanded octets. This includes elements such as sulfur, phosphorus, chlorine, and xenon. These elements can often exceed the octet rule by forming more than 8 electrons in their valence shell in some compounds.


Can atoms have an expanded octet?

Yes, atoms beyond the second period in the periodic table can have an expanded octet, allowing them to hold more than eight electrons in their outer shell.


Why do most of the elements on a periodic table like to form bonds with other elements?

To complete their octet


Why does the octet rule not always refer to a stable arrangement of 8 valence electrons?

The octet rule does not always refer to a stable arrangement of 8 valence electrons because some atoms can accommodate more than 8 electrons in their valence shell (expanded octet), such as elements in Period 3 and beyond in the periodic table. Additionally, some molecules, like radicals or species with an odd number of electrons, may not satisfy the octet rule but can still be stable due to resonance or other factors.


Elements in the third row of the periodic table or lower can have octets?

Elements in the third row of the periodic table or lower can have octets in their outermost electron shell due to the availability of d orbitals for bonding. This allows them to exceed the usual octet rule of 8 electrons in their valence shell. Examples include elements like sulfur, phosphorus, and chlorine.


What elements can form compomds with an expanded octet?

Elements which have d-orbitals (i. e. n=3 or higher) can form compounds with an expanded octet. Some examples are;Phosphorous Pentachloride PCl5Sulfur Hexafluoride SF6Dichloro Heptoxide Cl2O7


Does the compound P2F4 exhibit an expanded octet?

Yes, the compound P2F4 does exhibit an expanded octet.


What elements can violate the octet rule?

It what happens when elements don't obey the octect rule, i.e. elements that have more than eight electrons in their outermost shell. It what happens when elements don't obey the octect rule, i.e. elements that have more than eight electrons in their outermost shell.


Which of the following elements are capable of forming molecules in which an atom has an expanded octet C P B O Se?

The elements in period 3 and above have d orbitals available for bonding which makes the "expansion" of the octet more likely. period 2 elements do not, the 2d shell has only s and p orbitals. P is in period 3, an example is PCl5 with 5 electron pairs. Se in period 4 can also expand its octet, an example is SeF6, with 6 electron pairs.


Can iodine exceed the octet rule and have an expanded octet?

Yes, iodine can exceed the octet rule and have an expanded octet due to its ability to accommodate more than eight electrons in its valence shell.


The nonreactive elements at the far right of the periodic table that contain an octet of electrons in their valence shell are?

D. Noble Gases


Can oxygen, a nonmetal element, have an expanded octet in its valence shell?

No, oxygen, as a nonmetal element, cannot have an expanded octet in its valence shell.