Which is the element with atomic no. 72? Write about it.
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Hafnium is the element whose atomic number is 72.
It is solid at room temperature
It is metallic element.
Melting point of erbium is 2506 K (2233°C or 4051°F)
Boiling point of erbium is 4876 K (4603°C or 8317°F)
Density of erbium is 13.3 grams per cubic centimeter
Period Number: 6 Group Number: 4 Group Name: none
It is solid at room temperature
It is metallic element.
Melting point of erbium is 2506 K (2233°C or 4051°F)
Boiling point of erbium is 4876 K (4603°C or 8317°F)
Density of erbium is 13.3 grams per cubic centimeter
Period Number: 6 Group Number: 4 Group Name: none
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