The e/m value is maximum for _ gas because of the _ value of "m" for positive rays obtained from it.
Correct answer: C. Hydrogen gas, lowest
- A. Oxygen gas, lowest
- B. Hydrogen gas, highest
- C. Hydrogen gas, lowest
- D. Helium gas, highest
Explanation
The elemnt with smallest mass will have the maximum e/m value.Option A: mass of oxygen gas is 32amuOption B: mass of hydrogen gas is 2amu [approximately]. So e/m value of hydrogen gas is maximum as its mass is lowest,Option D: mass of helium is 4 amu.
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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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