Practice Relative Energies Of Orbitals (2.5.2)

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6 sample questions

Question 1.
List the general order of orbital energies.
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Recall how the orbitals are arranged in terms of energy.
Question 2.
What is shielding?
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Think about how inner electrons protect outer ones from the nucleus.
3Question 3.
Which of the following statements is true regarding the energy levels of orbitals?
- s < p < f < d
- p < s < d < f
- d < f < p < s
- s < p < d < f
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Think about the rankings you've learned for different types of orbitals.
4Question 4.
True or False: Shielding increases the effective nuclear charge experienced by outer electrons.
- True
- False
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Consider what shielding does to the forces acting on outer electrons.
Question 5.
Explain why the electron configuration of Cr is [Ar] 4s¹ 3d⁵ instead of [Ar] 4s² 3d⁴.
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Think about what makes certain electron configurations more stable.
Question 6.
Describe how shielding can affect the chemical reactivity of an element.
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Consider how the effective nuclear charge influences an element's ability to engage in chemical reactions.

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