13 Questions
What did early Indian and Greek philosophers propose about atoms?
Atoms are the fundamental building blocks of matter and are not further divisible
What is the meaning of the word 'atom' as derived from the Greek word 'a-tomio'?
Uncut-able or non-divisible
Who proposed the existence of atoms as the fundamental building blocks of matter?
Early Indian and Greek philosophers
What do the differences in the internal structure of atoms lead to?
Rich diversity of chemical behaviour of different elements
What is the significance of the word 'atom' in relation to its divisibility?
It reflects the proposal that atoms are fundamental building blocks of matter and are not further divisible
What is the origin of the word 'atom' based on its meaning?
'A-tomio' meaning 'uncut-able' or 'non-divisible'
Who proposed the atomic theory of matter in 1808?
John Dalton
Which scientist showed that if electricity is passed through an electrolyte, chemical reactions occurred at the electrodes?
Michael Faraday
What did the experiment with partially evacuated tubes, known as cathode ray discharge tubes, lead to the discovery of?
Electron
What is the nature of the flow of current from cathode to anode in a cathode ray discharge tube?
Flow of electrons
Which scientist formulated certain laws related to the liberation and deposition of matter at the electrodes when electricity is passed through a solution of an electrolyte?
Michael Faraday
What did John Dalton's atomic theory regard the atom as?
The ultimate particle of matter
What did Dalton's atomic theory successfully explain?
Law of constant composition
Explore the discovery of electron, proton, and neutron along with their characteristics. Learn about the atomic models proposed by Thomson, Rutherford, and Bohr, and understand the quantum mechanical model of the atom. Gain insights into the nature of electromagnetic radiation and Planck's contribution.
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