



How does nuclear charge affect the valency of an element? Can you provide a table summarizing the common valencies of main group elements?
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what is valency Informational
- Can you provide examples of transition metals with multiple valencies? How does the electronic configuration of an atom affect its valency?
- What theories explain bonding in hypervalent molecules, such as molecular orbital theory?
- Can functional groups be considered to have a certain 'combining power' analogous to valency?
- Can quantum chemical calculations predict the valency of atoms in molecules?
- Does the name of a compound always indicate the valencies of its constituent elements?
- Do agostic interactions represent a weak form of bonding between a metal and a C-H bond, and how does this affect the metal's reactivity?
- What are three-center two-electron bonds and how do they allow electron-deficient atoms to achieve a stable configuration without satisfying classical valency rules?
- How does bonding in hypervalent molecules differ from simple covalent bonding based on valency? What are expanded valence shells and how do they accommodate more than 8 valence electrons?
- How does the concept of valency apply to metallic bonding?
- How do you determine the effective valency in coordination compounds?
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