The threshold frequency of Cesium is 5.2 x 10^14 Hz.
To find the frequency of yellow light, we use the equation:
speed of light = wavelength x frequency
3 x 10^8 = 5.8 x 10^-17 x frequency
frequency = 5.17 x 10^24
This is higher than the threshold frequency of Cesium, thus, electrons will be emitted.
The number of protons in an atom is called its atomic number. This number is very important because it is unique for atoms of a given element. All atoms of an element have the same number of protons, and every element has a different number of protons in its atoms
Answer:
Explanation:
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In this case, since the STP conditions are defined by 1 atm (101.3 kPa) and 273 K, it is possible for us to use the combined gas law for this problem as we are given variable pressure, temperature and volume:
In such a way, solving for V2 as the final volume, we obtain:
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