I will help u if u want me to
Group 9 of the periodic table is comprised of cobalt (Co), Rhodium (Rh), Iridium (Ir), and one which is still chemically uncharacterized Meitnerium (Mt). These elements are all metals. These metals are termed Transition metals.
These metals are in the d-block because the last elements are in the d-orbitals.
The metal car airodinamics with body style and weight increased speed
Human bone does not contain oxygen
I think 310.2 g/mol
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