Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
Joseph Thompson
|
Proved the existence of the electron
|
|
James Chadwick
|
Discovered the neutron
|
|
Robert Millikan
|
Determined the charge on a single electron
|
|
Henry Moseley
|
Showed that periodicity depends on atomic number
|
|
Dmitri Mendeleev
|
Developed the first periodic table of elements
|
|
John Dalton
|
Revived the atomic theory in the early 1800s
|
|
Henri Becquerel
|
Discovered radioactivity
|
|
Democritus
|
Developed the idea of the atomic nature of matter
|
|
Joseph Proust
|
Formulated the law of constant composition
|
|
Antoine Lavoisier
|
Established the law of conservation of matter
|
|
Michael Faraday
|
Experimented with electrolysis
|
|
Ernest Rutherford
|
Developed the idea of the nuclear atom
|
|
Marie Curie
|
Suggested that atoms could disintegrate
|
|
Benjamin Franklin
|
Characterized positive and negative electrical charges
|