Answer:
look it up in google it dead in your face m8 i just did
Explanation:
A flight simulator that helps astronauts prepare for a shuttle launch is an example of a Scientific Model.
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.
Losing electrons and forming positive ions