Question 1
What did Werner Heisenberg introduce that challenged the precise measurement of electrons?
Question 2
What feature characterizes the 'plum pudding model' proposed by JJ Thomson?
Question 3
Who identified protons as particles in the atom's nucleus?
Question 4
In the modern quantum model, where are electrons most likely to be found?
Question 5
What did Antoine Lavoisier contribute to chemistry in the 18th century?
Question 6
What was the major implication of the discovery of cathode rays on atomic theory?
Question 7
Who first proposed the idea that matter is composed of indivisible particles called atoms?
Question 8
What experimental observation contradicted the 'plum pudding model' of the atom?
Question 9
What significant discovery about atomic structure did JJ Thomson make?
Question 10
Which scientist's work laid the groundwork for determining that the atom is mostly empty space with a dense nucleus?
Question 11
Which experiment led Ernest Rutherford to discover the nuclear model of the atom?
Question 12
How do modern quantum models describe the movement of electrons?
Question 13
What experiment helped determine that cathode rays were composed of negatively charged particles?
Question 14
What critical aspect of the atomic model did James Dalton define in his work on elements?
Question 15
What model proposed by Niels Bohr explains electrons travelling in specific orbits?