History of the Atom

0.0(0)
studied byStudied by 0 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/4

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

5 Terms

1
New cards

John Dalton 1803

Matter consists of identical indivisible atoms.

Atoms combine in whole number ratios.

2
New cards

J.J Thompson 1897

Electrons

Electrons of all substances have the same mass and charge.

3
New cards

Rutherford 1911

The positive charge is concentered in the nucleus.

Nucleus surrounded by open space where electrons move.

4
New cards

Bohr 1930

Electrons have fixed energy .

They move is energy level around the nucleus in defined orbits.

5
New cards

Chadwick 1932

Neutron

Mass