Representing and Intervening - Ch 6

Question 1

Who first dubbed the electron, & when?

Answer 1

Johnson Stoney, 1891

Question 2

Who discovered the electron experimentally, & when?

Answer 2

J. J. Thomson, 1897

Question 3

What did J. J. Thomson call the electron?

Answer 3

Corpuscles

Question 4

Who made a theory of a particle of minimal charge?

Answer 4

Lorentz

Question 5

Who measured the minimal charge, & when?

Answer 5

Millikan, 1908

Question 6

What was Thompson’s model?

Answer 6

Plum Pudding

Question 7

What did Lavoisier predict all acids have? Was this accurate?

Answer 7

Oxygen. No, chemicals like HCl are acids.

Question 8

What are the names of the two types of acid?

Answer 8

Bronsted-Lowry and Lewis acids.

Question 9

What ‘nonentity’ did Laplace use to calculate the speed of sound?

Answer 9

Caloric

Question 10

What formula was derived for quantum electrodynamics in 1934?

Answer 10

Energy loss formula for electrons.

Question 11

Did high energy rays agree with the energy loss formula?

Answer 11

No, because of a new particle called a meson.

Question 12

What happened to the 1936 meson?

Answer 12

It didn’t fit its intended theory, a better particle was discovered, and it was delegated to the ‘muon’.