Scientist
Which scientist proposed the first modern atomic theory stating that atoms are indivisible?
Who is John Dalton
Which statement best reflects how atomic models change over time?
What is Models change with new evidence ?
J.J. Thomson’s “plum pudding” model suggested that:
What is Positive charge surrounds embedded electrons
Which subatomic particle has a positive charge?
What is the Proton ?
Which scientist introduced energy levels for electrons?
Who is Bohr ?
Which discovery led to the replacement of Dalton’s atomic model?
What are electrons
Why did Rutherford’s model need revision?
What is It couldn’t explain electron energy levels ?
What charge does a neutron have?
What is Neutral ?
Which change in atomic theory was driven by experimental evidence?
What is All of the above , as evidence becomes available, scientific knowledge changes.
What experiment disproved the plum pudding model?
What is Gold foil experiment ?
Bohr’s atomic model was most successful at explaining:
What is Atomic emission spectra ?
Where are protons located in an atom?
What is the Nucleus ?
What key idea from Dalton’s atomic theory was later proven incorrect?
What are Atoms are indivisible
In Rutherford’s gold foil experiment, most alpha particles
What is Passed straight through ?
Which atomic model is currently accepted?
What is Quantum mechanical model ?
Which two particles are found in the nucleus?
What are the Protons and neutrons ?
Place the scientist in order of their discoveries, timeline of atomic models: Thomson, Dalton, Rutherford, Schrodinger, Bohr
What are Dalton, Thomson, Rutherford, Bohr , Schrodinger
What conclusion did Rutherford make based on the gold foil experiment?
What is Atoms have a dense nucleus ?
The quantum mechanical model describes electrons as:
What are Probability clouds ?
Which particle has the least mass?
What is the Electron ?