Significant People

Question 1

Law of Conservation of Mass

Answer 1

Antoine Lavoisier

Question 2

Law of Definite Proportions

Answer 2

Joseph Louis Proust

Question 3

Law of Multiple Proportions

Answer 3

John Dalton

Question 4

He discovered Electron

Answer 4

JJ Thomson

Question 5

He coined the word “Electron”

Answer 5

George Stoney

Question 6

He computed the value of e- (1.6022×10-¹⁹)

Answer 6

Robert Millikon

Question 7

He discovered Proton

Answer 7

Ernest Rutherford

Question 8

He discovered Neutron

Answer 8

James Chadwick

Question 9

Quantum Theory

Answer 9

Max Planck

Question 10

First spectroscope

Answer 10

Robert Bunsen &
Gustav Kirchoff

Question 11

Pauli’s Exclusion Principle

Answer 11

Wolfgang Pauli

Question 12

Hund’s Rule

Answer 12

Friedrich Hund

Question 13

Uncertainty Principle

Answer 13

Werner Heisenburg

Question 14

Wohler Synthesis (Isomerism)

Answer 14

Friedrich Wohler

Question 15

Carbon disulfide -> acetic acid

Answer 15

Adolph Wilhelm Hermann Kolbe

Question 16

Concept of Resonance

Answer 16

Linus Pauling

Question 17

Cyclic structure of Benzene

Answer 17

August Kekule

Question 18

Octet Rule, Covalent Bond, Lewis Structure

Answer 18

Gilbert Lewis

Question 19

Movement of e- in order

Answer 19

Robert Robinson

Question 20

Phenomena of Radiation

Answer 20

Henri Becquerel

Question 21

Coined the term “Radioactivity”
Discovered Polonium and Radium

Answer 21

Marie Curie

Question 22

Father of Nuclear Chemistry
Godfather of Nuclear Fission

Answer 22

Otto Hahn

Question 23

Discovered Uranium, Thorium, Protactinium, and Radium (along with Otto Hahn)

Answer 23

Lise Meitner

Question 24

Transmutation
Discovered Alpha & Beta Rays

Answer 24

Ernest Rutherford

Question 25

Phosphorous-30 (first radioactive nuclide)

Answer 25

Irene-Joliot Curie & Frederic Joliot

Question 26

First person to die due to Acute Radiation Syndrome

Answer 26

Alexander Litvinenko

Question 27

Zeroth Law of Thermodynamics (Thermal Equilibrium)

Answer 27

Ralph Howard Fowler

Question 28

First Law of Thermodynamics (Conservation of Energy) dU = dQ + dW

Answer 28

Rudolf Emmanuel Clausius

Question 29

Second Law of Thermodynamics (Entropy of the universe increases)

Answer 29

Rudolf Emmanuel Clausius

Question 30

Third Law of Thermodynamics (Entropy of a system approaches a constant as temperature approached absolute zero)

Answer 30

Walther Nernst

Question 31

Serendipity

Answer 31

Walpole

Question 32

Rubber

Answer 32

Goodyear