Question : Electrons in the highest energy level of an atom are called ________.

Option 1: Valence protons

Option 2: Orbital protons

Option 3: Valence electrons

Option 4: Orbital electrons

Question : Who first introduced the idea of a relationship between molecular geometry and the number of valence electrons in the 1940s?

Option 1: Bent and Nyholm

Option 2: Hendricus and Nicol

Option 3: Sidgwick and Powell

Option 4: Heitler and Gillespie

Question : What type of isomerism exists in compounds containing two or more complexes, each of which contains a different set of ligands that can, in principle, be replaced with a ligand of the other complex?

Option 1: Coordination isomerism

Option 2: Solvate isomerism

Option 3: Linkage isomerism

Option 4: Ionisation isomerism

Question : Mercury is a:

Option 1: solid metal

Option 2: liquid metal

Option 3: Solid non-metal

Option 4: liquid non-metal

Question : Curie point is the temperature at which 

Option 1: Matter becomes radioactive

Option 2: A metal loses magnetic properties

Option 3: A metal loses conductivity

Option 4: Transmutation of metal coures