Answer:
A complex ion contains a central metal ion bound to one or more ligands
Explanation:
A complex ion is consists of a central atom or ion, that is usually metallic, called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents.
An example of a complex ion is
[Co(NH3)6]3+
Please go through the attached file for a proper representation of the complex ion.
1) it explains about stability of an atom by including stationary state.
2) it explains tge quantization of energy.
3) it gives the concept of angular momentum of a revolving electron.
Answer:
fossil
Explanation:
the dead organism is called a fossil i think
The penguin has a sleek body that helps it to move quickly in water.