History of the Atom Flashcards
Learn about the scientists involved with creating our view of the atom
1
Q
Democritus theory
A
matter is made of atoms
2
Q
Democritus theory description
A
atoms are indivisible and indestructible
3
Q
Aristotle theory
A
matter is made of 4 elements
4
Q
Aristotle theory description
A
4 elements are air, earth, fire, water
5
Q
Dalton
A
created an atomic theory
6
Q
Dalton (1st part)
A
all substances are made of atoms
7
Q
Dalton (2nd part)
A
atoms of the same element are exactly alike
8
Q
Dalton (3rd part)
A
different elements have different atoms
9
Q
Dalton (4th part)
A
atoms combine in certain ratios to form compounds
10
Q
Dalton (5th part)
A
atoms cannot be created or destroyed
11
Q
Curie
A
thought atom was not solid
12
Q
Thomson
A
discovered the electron
13
Q
Rutherford
A
discovered the nucleus and proton
14
Q
Bohr
A
electrons travel in orbits
15
Q
Double-Slit
A
electrons behave like particles and waves
