A coordination complex is composed of one more complex ions, which in turn are composed of a transition metal complexed to one or more ligands. The oxidation state of the transition metal within a complex ion varies. 1st attempt See Hint The coordination compound Co3[Cr(CN)6]2 contains Co2 cations and a complex anion. What is the likely oxidation state for Cr in the anion

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in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation:

conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.