physical and chemical properties of amines

What are isobars? Are the physical and chemical properties of isobars similar ?

Moseley's periodic law: The physical and chemical properties of elements are the periodic function of their

Enlist the physical and chemical properties of normal urine.

In the long form of the perodic table, physical and chemical properties of the elements are a periodic function of their "_______" .

The physical and chemical properties of the elements are periodic function of their atomic numbers. This statement was given by