history of the atoms quiz Flashcards
1
Q
used cathode ray tubes
A
crookes and thomson
2
Q
electrons exist in orbits are energy levels
A
Bohr
3
Q
created first periodic table 
A
Mendeleev
4
Q
Our word “atom” comes from his word “atomos”
A
Democritus
5
Q
did not know about protons, neutrons or electrons 
A
dalton and democritus
6
Q
discovered neutrons
A
Chadwick
7
Q
plum pudding, model 
A
thomson
8
Q
periodic table based on atomic number
A
Moseley
9
Q
The atom is mostly empty space
A
Rutherford
10
Q
first person to think of atoms 
A
Democritus
11
Q
Gold foil experiment
A
rutherford
12
Q
discovered protons
A
goldstein
13
Q
all items have negatively negatively charged particles
A
crookes
14
Q
did not know about neutrons ( his model just included, protons and electrons )
A
thomson
15
Q
first unified atomic theory
A
dalton
