What is called sublimation?

What is called classification?

What is called relative atomic mass of an element?

What is called family?

What is called unsaturated solution?

What is called nomenclature of species?

What is called Fajan's rule? Arrange the following compounds increasing order of their covalent characters AlF_3 , AlI_3 , AlBr_3, AlCI_3

Why are viruses called obligate intracellular parasites?

Why beta -elimination is also called anti elimination?

What is the sudden action in response to changes in the environment called?

What is dislocation defect? Why it is so called?