What is meant by the term coordination number?

What is meant by the term coordination numbr? in a body centred cubic structure.

What is meant by the term coordination numbr? IN a cubic close packed structure.

What is meant by the term osmoregulation?

What is meant by the terms dispersion?

what is meant by the term extinction?

What is meant by e-waste ?

What is meant by coordination number ? Write the coordination number of Cu in [Cu(NH_3)_4]^(2+) complex ion.