Chromium Transition elements 1890°C 7.19 g/cm 3 Manganese Transition elements 1240°C 7.20 g/cm 3 Iron Transition elements 1538°C 7.87 g/cm 3 Cobalt Transition elements 1492°C 8.90 g/cm 3 Nicke ...

Some transition metals react with oxygen on heating, for example: The group 1 elements react vigorously with cold water. Most transition elements react slowly with cold water, or not at all.