Discovering Atomic Structure (P1) Flashcards Preview

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Flashcards in Discovering Atomic Structure (P1) Deck (7)
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1
Q

Democritus

A

Everything in the universe is made up of matter and matter consists of atoms

2
Q

John Dalton 1803

A

Atoms are indivisible and compounds are made of 2 or more atoms combined

3
Q

JJ Thomson 1904

A

Discovered the electron and the isotope

4
Q

Rutherford 1911

A

Dense, positively charged central region containing most of the atomic mass

5
Q

Ernest Bohr 1913

A

Electrons move around the nucleus in shells

6
Q

James Chadwick 1932

A

Discovered the neutron

7
Q

Erwin schrodinger 1926

A

Electron shells are probability clouds of where we can find an electron