DAY 1 PEEPS

Question 1

Law of Octaves

Answer 1

John Newlands

Question 2

arrange elements by their atomic masses (independent of dmitri mendeleev)

Answer 2

Lothar Meyer

Question 3

CFCs

Answer 3

Sherwood Roland, Mario Molina

Question 4

Transuranium elements (Plutonium to Lawrecium)

Answer 4

Glenn Seaborg

Question 5

coined ‘radioactivity’

Answer 5

Marie Curie

Question 6

discovered Polonium

Answer 6

Marie Curie

Question 7

Discovered radium

Answer 7

Marie Curie

Question 8

Nox

Answer 8

Paul Crutzen

Question 9

Father of Nuclear Chemistry, Godfather of nuclear fission

Answer 9

Otto Hahn

Question 10

discovered nuclear transmutation

Answer 10

Ernest Rutherford

Question 11

proved photoelectric effect; charge and mass of electron

Answer 11

Robert Millikan

Question 12

Theorized photoelectric effect

Answer 12

Albert Einstein

Question 13

discovered electron using cathode-ray tube

Answer 13

JJ Thomson

Question 14

discovered proton; geiger-marsden experiment, transmutation

Answer 14

Ernest Rutherford

Question 15

discovered ‘electron’

Answer 15

James Chadwick

Question 16

coined ‘electron’

Answer 16

George Stoney

Question 17

Performed Cathode-ray tube experiment

Answer 17

Sir William Crookes; Heinrich Geissler

Question 18

ratio of electric charge to mass of electron

Answer 18

JJ Thomson

Question 19

discovered x-rays

Answer 19

Willhelm Konrad Roentgen

Question 20

‘radioactivity’ in Uranium

Answer 20

Antoine Henri Bequerel

Question 21

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

Answer 21

Henry Mosely

Question 22

synthesized urea from inorganic ammonium cyanate

Answer 22

Friedrich Wohler

Question 23

coined ‘isomers’

Answer 23

Jans Jacob Berzelius

Question 24

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

Answer 24

Adolph Wilhelm Herman Kolbe

Question 25

structure of benzene

Answer 25

August Kekule

Question 26

Octet rule and lewis structure

Answer 26

Gilbert Lewis

Question 27

reaction behavior is due to movement of e-

Answer 27

Robert Robinson

Question 28

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

Answer 28

Linus Pauling

Question 29

chair conformation cyclohexane

Answer 29

Odd Hassel

Question 30

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

Answer 30

Morris Kharasch

Question 31

Hydroboration-oxidation reaction (discovered)

Answer 31

Herbert Brown

Question 32

electron group geometries

Answer 32

Ryutaro Tsuchida

Question 33

VSEPR Theory

Answer 33

Ronald Nyholm and Ronald Gillespie

Question 34

radiocarbon (C-14) dating

Answer 34

Willard Libby

Question 35

distribution of molecular speeds

Answer 35

James Clark Maxwell and Ludwig Boltzmann

Question 36

Phenolphthalein

Answer 36

Adolf von Baeyer

Question 37

first mass spectrophotometer; isotopes Neon 20 and Neon 22

Answer 37

F.W. Aston

Question 38

Father of Environmental Chemistry

Answer 38

Werner Stumm

Question 39

3rd Law of Thermodynamics

Answer 39

Walther Nernst

Question 40

Photosynthesis

Answer 40

Melvin Calvin

Question 41

procedure for detecting arsenic (As2O3)

Answer 41

James Marsh

Question 42

Law of conservation of mass

Answer 42

Antoine Lavoisier

Question 43

Law of definite composition

Answer 43

Joseph Louis Proust

Question 44

Law of Multiple proportions

Answer 44

John Dalton

Question 45

e- are revolving around nucleus

Answer 45

Neils Bohr

Question 46

Quantum Theory; energy is like matter is discontinous

Answer 46

Max Planck

Question 47

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

Answer 47

Louis de Broglie

Question 48

entropy (discovered); explained its behavior

Answer 48

Rudolf Clausius

Question 49

synthesized first synthetic transmutated atom (1st artificially created radioactive atom)

Answer 49

Irene Joliot Curie

Question 50

discovered Deuterium

Answer 50

Harold C. Urey

Question 51

Coined serendipity

Answer 51

Horace Walpole

Question 52

discovered vulcanization

Answer 52

Charles goodyear

Question 53

Robert Bunsen and Gustav Kirchoff

Answer 53

created the first spectroscope