Moderate

Positive rays give flash on:

Correct answer: D. ZnS

  • A. AgNO3 plate
  • B. AgC1 plate
  • C. ZnO
  • D. ZnS

Explanation

Positive rays produce flashes upon ZnS plate.

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Atomic structure covers the discovery of the proton, Planck's quantum theory, hydrogen emission spectra and the evidence for quantized energy levels. You will use quantum numbers to describe orbitals, distinguish s, p, d and f orbital shapes, and write electronic configurations, including the correct order of electron filling.

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