PEOPLE

Question 1

John Newlands

Answer 1

Law of Octaves

Question 2

Johann Wolfgang Dobereiner

Answer 2

Law of Triads

Question 3

Lothar Meyer

Answer 3

arrange elements by their atomic masses (independent of Dmitri Mendeleev)

Question 4

Paul Crutzen

Answer 4

Nox

Question 5

Sherwood Roland, Mario Molina

Answer 5

CFCs

Question 6

Glenn Seaborg

Answer 6

Transuranium elements (Plutonium to Lawrecium)

Question 7

Marie Curie

Answer 7

coined ‘radioactivity’ , discovered Polonium , discovered radium

Question 8

Otto Hahn

Answer 8

Father of Nuclear Chemistry, Godfather of nuclear fission

Question 9

Ernest Rutherford

Answer 9

discovered nuclear transmutation

Question 10

Robert Millikan

Answer 10

proved photoelectric effect; charge and mass of electron

Question 11

Albert Einstein

Answer 11

Theorized photoelectric effect

Question 12

JJ Thomson

Answer 12

discovered electron using cathode-ray tube; ratio of electric charge to mass of electron

Question 13

Ernest Rutherford

Answer 13

discovered proton; geiger-marsden experiment, transmutation

Question 14

James Chadwick

Answer 14

discovered ‘neutron’

Question 15

George Stoney

Answer 15

coined ‘electron’

Question 16

Sir William Crookes; Heinrich Geissler

Answer 16

Performed Cathode-ray tube experiment

Question 17

Willhelm Konrad Roentgen

Answer 17

discovered x-rays

Question 18

Antoine Henri Bequerel

Answer 18

radioactivity’ in Uranium

Question 19

Friedrich Wohler

Answer 19

synthesized urea from inorganic ammonium cyanate

Question 20

Henry Mosely

Answer 20

relationship between elements’ atomic number and frequency of xrays generated by bombarding element with high energy electrons

Question 21

Jans Jacob Berzelius

Answer 21

coined ‘isomers’

Question 22

Adolph Wilhelm Herman Kolbe

Answer 22

reacted carbon sulfide (inorganic) to produce acetic acid (organic)

Question 23

August Kekule

Answer 23

structure of benzene

Question 24

Gilbert Lewis

Answer 24

Octet rule and Lewis structure

Question 25

Robert Robinson

Answer 25

reaction behavior is due to movement of e-

Question 26

Linus Pauling

Answer 26

concept of resonance (hybridization); electronegativity; explained the geometry (H2O, NH3, CH4)

Question 27

Odd Hassel

Answer 27

chair conformation cyclohexane

Question 28

Morris Kharasch

Answer 28

discovered free radical addition of Hbrto alkenes; peroxide effect (Anti-markov)

Question 29

Herbert Brown

Answer 29

Hydroboration-oxidation reaction (discovered)

Question 30

Ronald Nyholm and Ronald Gillespie

Answer 30

VSEPR Theory

Question 31

Ryutaro Tsuchida

Answer 31

electron group geometries

Question 32

Adolf von Baeyer

Answer 32

Phenolphthalein

Question 33

Willard Libby

Answer 33

radiocarbon (C-14) dating

Question 34

James Clark Maxwell and Ludwig Boltzmann

Answer 34

distribution of molecular speeds

Question 35

F.W. Aston

Answer 35

first mass spectrophotometer; isotopes Neon 20 and Neon 22

Question 36

Werner Stumm

Answer 36

Father of Environmental Chemistry

Question 37

Walther Nernst

Answer 37

3rd Law of Thermodynamics

Question 38

James Marsh

Answer 38

procedure for detecting arsenic (As2O3)

Question 39

Antoine Lavoisier

Answer 39

Law of conservation of mass

Question 40

Joseph Louis Proust

Answer 40

Law of definite composition

Question 41

John Dalton

Answer 41

Law of Multiple proportions

Question 42

Neils Bohr

Answer 42

e- are revolving around nucleus

Question 43

Max Planck

Answer 43

Quantum Theory; energy is like matter is discontinous

Question 44

Louis de Broglie

Answer 44

waves can behave like particles and particles can exhibit wave-like properties

Question 45

Rudolf Clausius

Answer 45

entropy (discovered); explained its behavior

Question 46

Irene Joliot Curie

Answer 46

synthesized first synthetic transmutated atom (1st artificially created radioactive atom/0

Question 47

Harold C. Urey

Answer 47

discovered Deuterium

Question 48

Horace Walpole

Answer 48

Coined serendipity

Question 49

Charles goodyear

Answer 49

discovered vulcanization