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Amanda [17]
3 years ago
5

What is the electron configuration of an electrically neutral alkaline earth metal? please explain​

Chemistry
1 answer:
vlabodo [156]3 years ago
8 0

Answer:

The elements in Group 2 (beryllium, magnesium, calcium, strontium, barium, and radium) are called the alkaline earth metals (see Figure below). These elements have two valence electrons, both of which reside in the outermost s sublevel. The general electron configuration of all alkaline earth metals is ns

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According to Graham's Law of Diffusion,"the rates of diffusion of two gases are inversely proportional to the square root of their Molar masses or Densities at the same pressure and temperature".

                                     r₁ / r₂  =  \sqrt{M2 / M1}
Where,
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            r₂  =  Rate of Oxygen

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            M₁  =  Molar mass of Fluorine  =  4 g/mol

Putting values,

                                           r₁ / r₂  =  \sqrt{32 / 4}

                                           r₁ / r₂  =  \sqrt{8}

                                           r₁ / r₂  =  2.82
Result:
            Helium gas effuses 2.82 times faster than Oxygen gas.
4 0
3 years ago
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