Inorg, AnaChem, Nuclear Chem

Question 1

Law of Conservation of mass

Answer 1

Antoine Lavoisier

Question 2

Law of Definite Composition

Answer 2

John Louis Proust

Question 3

Law of Multiple Proportions

Answer 3

John Dalton

Question 4

Used in obtaining actual molecular weight of a compound

Answer 4

Platinichloride Method

Question 5

Electron

Answer 5

JJ Thompson
-Plum Pudding Model
-Cathode Ray Experiment

Question 6

“Electron” was coined by

Answer 6

George Stoney

Question 7

He identified the charge of an Electron upto 5 significant figures

Answer 7

Rober Milikan
-Oil Drop Experiment

Question 8

Proton was discovered by

Answer 8

Ernest Rutherford
-thru Geiger-Marsden Experiment

Question 9

further improved the atomic model

Answer 9

Bohr’s Atomic Model
- Niels Bohr

Question 10

Rutherford atomic model

Answer 10

-atom is vacuum
-e are randomly scattered
-there’re positive charge inside the atom

Question 11

Neutron was discovered by

Answer 11

James Chadwick

Question 12

Proposed that energy, like matter, is discontinuous

Answer 12

Max Planck

Question 13

First spectroscopy was discovered by

Answer 13

Robert Bunsen and Gustav Kirchoff

Question 14

Kirchoff and Bunsen discovered

Answer 14

Cesium, “Caesium” sky blue
Rubidium, “Rubidius” deep red

Question 15

System energy in classical physics (Macroscopic)

Answer 15

0 to infinity

Question 16

Quantum Theory is by

Answer 16

Max Planck

Question 17

Planck’s Equation

Answer 17

E=hf; f=C/wavelength

Question 18

Photoelectric effect

Answer 18

Heinrich Hertz

Question 19

Wave-particle Theory

Answer 19

Albert Einstein

Question 20

determine the minimum frequency that light must possess to initiate the photoelectric effect

Answer 20

Threshold Frequency

Question 21

fL<fo

Answer 21

no photoelectric effect

Question 22

fL=fo

Answer 22

there’s photoelectric effect, e does not go from surface

Question 23

fL>fo

Answer 23

there’s photoelectric effect

Question 24

bonds that form between atoms to form a compound, minimum of 600C

Answer 24

Intramolecular Forces

Question 25

bonds that occur between molecules, minimum 100C

Answer 25

Intermolecular force

Question 26

3 examples of Intermolecular forces

Answer 26

1. Van Der Waal's 2. Dipole Dipole Effect 3. Hydrogen Bonding

Question 27

redistribution of electrons forming partial positive and negative

Answer 27

Polarizability

Question 28

introduced entropy

Answer 28

Rudolf Clausius

Question 29

defined entropy

Answer 29

Ludwig Boltzmann

Question 30

process that does not require external stimuli

Answer 30

Spontaneous

Question 31

addition of infinitesimal amount of heat causes incremental changes in its properties

Answer 31

Reversible

Question 32

properties of solution that only depends on the the concentration of solute

Answer 32

Colligative Properties

Question 33

Vapor Pressure Lowering

Answer 33

Psoln= Psolv - deltP; deltP=xsol(VPsolv)

Question 34

Boiling Point Elevation

Answer 34

BPEsoln= BPsolv + deltTb; deltTb = Kb(m)

Question 35

Freezing Point Depression

Answer 35

FPsoln = FPsolv - deltTf; deltTb = Kf(m)

Question 36

material used in bulletproof

Answer 36

polyethylene

Question 37

old material used in bulletproof

Answer 37

polyamide fibers - bisphenol A catalyst

Question 38

Bulletproof windows

Answer 38

Polycarbonate fiber

Question 39

Common material of construction for radiation protection

Answer 39

Pexiglass, Polymethacrylate

Question 40

number of bonds occurring in atom

Answer 40

Empericial formula

Question 41

actual number of each atom in a molecule

Answer 41

Molecular Formula

Question 42

phenomena of solvent flow through semi-permeable membrane (from dilute to concentrated) to equalize concentration on both sides. dictated by the second law of Thermodynamics

Answer 42

Osmosis

Question 43

amount of pressure that impedes the osmosis phenomena

Answer 43

Osmotic Pressure

Question 44

discovered the noble gases

Answer 44

William Ramsay

Question 45

who discovered Argon

Answer 45

Lord Rayleigh along with William Ramsay

Question 46

neon, Krypton, and Xenon

Answer 46

Discovered by William ramsay along with MORRIS TRAVIS

Question 47

From an ore of uranium(Cleveite)

Answer 47

Helium

Question 48

He discovered that Radon, a noble gas, can cure TB

Answer 48

Frederick Soddy

Question 49

Radon came form

Answer 49

Radium emanation

Question 50

emission of ionizing radiation by some of the heavier elements to become stable

Answer 50

Radioactivity

Question 51

"Radioactive"

Answer 51

Unstable

Question 52

He discovered Radioactivity

Answer 52

Henri Becquerel

Question 53

Father of Nuclear Chemistry

Answer 53

Otto Hahn

Question 54

discovered Polonium and Radium

Answer 54

Marie Curie

Question 55

He discovered transmutation

Answer 55

Ernest Rutherford

Question 56

Synthesize the first synthetic transmutated atom

Answer 56

Irene joiliot Curie

Question 57

Reverse of beta decay ( Proton to neutron)

Answer 57

Positron emission, Electron capture

Question 58

the number of Protons and neutrons in a nuclide that dictates stability

Answer 58

Magic numbers

Question 59

the amount of substance that disintegrates per unit time

Answer 59

Activity

Question 60

1 Ci

Answer 60

3.7x10^10 Bq/ =disintegration per second

Question 61

the amount of radiation that deposits 0.01 J of energy/kg of matter

Answer 61

rad (radiation absorbed dose)

Question 62

unit of radiation that relates various kinds of radiation based on their biological destruction

Answer 62

rem(roentgen equivalent man)