Question : Which German chemist and physicist proposed that an aromatic compound must have an odd number of pairs of electrons, Which can mathematically be written as 4n+2 (n=0,1,2,3, etc.) in 1931?

Option 1: Friedrich Kekule

Option 2: Rosalind Franklin

Option 3: Erich Huckel

Option 4: Antoine Lavoisier

Question : Which French chemist was one of the first scientists to synthesise organic compounds such as formic acid, methane and acetylene from their elements?

Option 1: Jacob Berzelius

Option 2: Auguste Laurent

Option 3: Marcellin Berthelot

Option 4: Antoine Lavoisier

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 : In the early 1800s, who discovered that each chemical element is made up of a unique type of atom and that atoms differ by their mass?

Option 1: Antoine Lavoisier

Option 2: John Dalton

Option 3: Amedeo Avogadro

Option 4: Robert Boyle

Question : In which year did Antoine Lavoisier publish 'Methods of Chemical Nomenclature', which included the rules for naming chemical compounds that are still in use today?

Option 1: 1783

Option 2: 1780

Option 3: 1790

Option 4: 1787