This will be classified as light on the API scale due to the large percentage of lighter fractions such as paraffins and naphthenes.
For [Ni(en)³]²⁺ which is purple, the crystal field splitting energy is greater than the complex ion, [Ni(H₂O)₆]²⁺ which is green in color.
When a Lewis base id attached to the metal ion by covalent bond, then the complex ion is formed and when these complex ions are present with other ions of opposite charge or neutral charge, they will make complex compounds.
Answer: Observation is essential in science. Scientists use observation to collect and record data, which enables them to construct and then test theories
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Answer:Cant see the picture cause its too big
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It's determined by the ability of one mineral to scratch another mineral.
