He rejected Democritus's Idea of atoms
Dalton
Thomson
Aristotle
Bohr
He proposed electrons exist in energy levels
Chadwick
Dalton
Bohr
Rutherford
He said atoms can neither be created or destroyed
Aristotle
Rutherford
Bohr
Dalton
He proposed that protons and neutrons have the same mass
Mr. Cormier
Walter White
Bohr
Chadwick
He discovered electrons
Rutherford
Bohr
Thomson
Logan Paul
Who discoverd the nucleus?
Bohr
Thomson
Chadwick
Rutherford
Who's version of the atom looks what cookie monster holding?
Ruthford
Bohr
Thomson
Newton
The current modern atomic model suggests that
electrons are found in circular energy shells
electrons are found in the nucleus
electrons exists within a large positive sphere
electrons exist as clouds of electric charge.
The nuclus of an atom contains
electrons, protons, and neutrons
electrons and neutrons
protons and neutrons
protons and electrons
Which labelled part in the digram represents a proton
I
IV
III
II
Which of the following is the structure labelled IV?
nuetron
electron
nucleus
proton
Which of the following exists in energy levels
III
II
IV
I
What is the charge if the structure labelled I
neutral charge
postive charge
it depends on the element
negative charge
What are examples of composite particles?
elecrons and protons
electrons and tau neutrinos
nuclei and Leptons
protons and neutrons
What are examples of composite particles?
elecrons and protons
nuclei and Leptons
protons and neutrons
electrons and tau neutrinos
Electrons are a type of Le________.
Lepton
