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ChemLover68
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Transition metals are signficantly dependent on their metallic bonding. Because copper in its metallic bonding will form ions with charge of 2+ unlike silver and Gold who form ions with 1+ charge, copper forms stronger metallic bonds. You can see this as copper has the lowest 2nd Ionization energy. Gold again more readily forms +2 state than silver so its metallic bonds are stronger. Another important factor is its crystal structure however copper, silver and Gold have same crystal structure

Zinc and Cadmium both have filled d orbitals so their d orbitals can't participate in metallic bonding giving them really weak metallic bonds. Mercury due to Relativistic effects has weakest metallic bonds hence it is a liquid. Not really a strong trend between Zinc and Cadmium

A user in this question has provided inredible detail which I am not able to so if you are still confused, here is a link to understand more

Melting and boiling points of transition elements

Transition metals are signficantly dependent on their metallic bonding. Because copper in its metallic bonding will form ions with charge of 2+ unlike silver and Gold who form ions with 1+ charge, copper forms stronger metallic bonds. You can see this as copper has the lowest 2nd Ionization energy. Gold again more readily forms +2 state than silver so its metallic bonds are stronger. Another important factor is its crystal structure however copper, silver and Gold have same crystal structure

Zinc and Cadmium both have filled d orbitals so their d orbitals can't participate in metallic bonding giving them really weak metallic bonds. Mercury due to Relativistic effects has weakest metallic bonds hence it is a liquid. Not really a strong trend between Zinc and Cadmium

Transition metals are signficantly dependent on their metallic bonding. Because copper in its metallic bonding will form ions with charge of 2+ unlike silver and Gold who form ions with 1+ charge, copper forms stronger metallic bonds. You can see this as copper has the lowest 2nd Ionization energy. Gold again more readily forms +2 state than silver so its metallic bonds are stronger. Another important factor is its crystal structure however copper, silver and Gold have same crystal structure

Zinc and Cadmium both have filled d orbitals so their d orbitals can't participate in metallic bonding giving them really weak metallic bonds. Mercury due to Relativistic effects has weakest metallic bonds hence it is a liquid. Not really a strong trend between Zinc and Cadmium

A user in this question has provided inredible detail which I am not able to so if you are still confused, here is a link to understand more

Melting and boiling points of transition elements

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ChemLover68
ChemLover68
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Transition metals are signficantly dependent on their metallic bonding. Because copper in its metallic bonding will form ions with charge of 2+ unlike silver and Gold who form ions with 1+ charge, copper forms stronger metallic bonds. You can see this as copper has the lowest 2nd Ionization energy. Gold again more readily forms +2 state than silver so its metallic bonds are stronger. Another important factor is its crystal structure however copper, silver and Gold have same crystal structure

Again Cadmium more readily forms +2 ionZinc and has greater availability of itsCadmium both have filled d electrons hence itsorbitals so their d orbitals can't participate in metallic bonding giving them really weak metallic bonds are stronger. However mercuryMercury due to RelativsticRelativistic effects has incredibly weakweakest metallic bondingbonds hence it is a liquid. Not really a strong trend between Zinc and Cadmium

Transition metals are signficantly dependent on their metallic bonding. Because copper in its metallic bonding will form ions with charge of 2+ unlike silver and Gold who form ions with 1+ charge, copper forms stronger metallic bonds. You can see this as copper has the lowest 2nd Ionization energy. Gold again more readily forms +2 state than silver so its metallic bonds are stronger. Another important factor is its crystal structure however copper, silver and Gold have same crystal structure

Again Cadmium more readily forms +2 ion and has greater availability of its d electrons hence its metallic bonds are stronger. However mercury due to Relativstic effects has incredibly weak metallic bonding

Transition metals are signficantly dependent on their metallic bonding. Because copper in its metallic bonding will form ions with charge of 2+ unlike silver and Gold who form ions with 1+ charge, copper forms stronger metallic bonds. You can see this as copper has the lowest 2nd Ionization energy. Gold again more readily forms +2 state than silver so its metallic bonds are stronger. Another important factor is its crystal structure however copper, silver and Gold have same crystal structure

Zinc and Cadmium both have filled d orbitals so their d orbitals can't participate in metallic bonding giving them really weak metallic bonds. Mercury due to Relativistic effects has weakest metallic bonds hence it is a liquid. Not really a strong trend between Zinc and Cadmium

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ChemLover68
ChemLover68
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Transition metals are signficantly dependent on their metallic bonding. Because copper in its metallic bonding will form ions with charge of 2+ unlike silver and Gold who form ions with 1+ charge, copper forms stronger metallic bonds. You can see this as copper has the lowest 2nd Ionization energy. Gold again more readily forms +2 state than silver so its metallic bonds are stronger. Another important factor is its crystal structure however copper, silver and Gold have same crystal structure

Again Cadmium more readily forms +2 ion and has greater availability of its d electrons hence its metallic bonds are stronger. However mercury due to Relativstic effects has incredibly weak metallic bonding