Who did what
Who thought the atom was a plain sphere
Democritus
What is positive
Protons
Where are protons located
Nucleus
What element is Al?
Aluminum
Who established the law of conservation of mass
Antoine Lavoisier
Who discovered neutrons
Chadwick
What is negative
Electrons
Where are electrons located
Electron cloud
What element is C?
Carbon.
Who used the cathode ray tube to make his own atomic tube
Thomson
Who found electron clouds
Schrödinger
What is neutral
Neutron
Where are the neutrons located
Nucleus
What is the Symbol for Oxygen?
O
Who introduced the concept of wave-particle duality
Louis DeBrogile
who made the atomic theory
Dalton
what are the three particles in an atom
(Everything is lowercase and add commas with a space after it)
protons, electrons, neutrons
Where is the mass number located?
The bottom.
What is the symbol for Hydrogen.
H
Who fine tuned Rutherford model
Bohr
Who did absolutely nothing except make an argument
Robert Boyle
Who is the apprentice of Thomson
Rutherford
Where is Democritus from?
Greece.
How do you find the amount of neutrons in an element?
Subtract the Mass to the atomic number.
How many elements does the periodic table have?
118