5 Questions
What are the two basic laws of chemical combination formulated in the eighteenth century?
Law of conservation of mass and law of constant composition
What did the studies on the scattering of particles by thin metal foils lead to?
The concept of the nuclear atom
What are the principal types of radiation emitted by radioactive substances?
Alpha particles, beta particles, and gamma rays
What are the characteristics used to characterize electromagnetic radiation?
Wavelength (λ), frequency (ν), and speed (c = 3.0 × 10^8 m/s)
What were the first clues to the structure of atoms?
Discovery and characterization of cathode rays (electrons)
Test your knowledge of the fundamental laws and discoveries that laid the foundation for modern chemistry with this quiz. Explore topics such as the law of conservation of mass, the law of constant composition, Dalton's law of multiple proportions, and the early understanding of atomic structure.
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