Electronic configuration of Rb: 2.8.8.8.8.3
Valence electron is 3....
Explanation:
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Answer:
Explanation:
Since the transferred heat is equal to the change in the internal energy, the heat is proportional to the mass of the substance and the temperature change. The transferred heat also depends on the substance so that, for example, the heat necessary to raise the temperature is less for alcohol than for water. Hope that helps!:)
Answer:
Explanation:
Using the expression for the photoelectric effect as:
Also, 
Applying the equation as:
Where,
h is Plank's constant having value 
c is the speed of light having value 
is the wavelength of the light being bombarded
Given, 
is the binding energy or threshold energy
is the kinetic energy of the electron emitted. = 
Thus, applying values as:
