What defines a transition metal?
Transition metals reside between the primary groups II and III in the periodic table.
These elements refuse to obey the octet rule. Instead, they require a more sophisticated approach.
These elements refuse to obey the octet rule. Instead, they require a more sophisticated approach.
- metals
- high melting point, except for Hg, mercury, quicksilver (elohopea)
- form ions of varying positive charges
- beyond the octet rule
- make for colourful compounds with similar formulae
- yellow K2CrO4, potassium chromate
- red K2Cr2O7, potassium dichromate