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34. What is the noble gas configuration for potassium?1 point[Kr] 4s^2[Kr] 4s^1[Ar] 4s^1[Ar] 4s^2

Question

34. What is the noble gas configuration for potassium?

1 point

  • [Kr] 4s²
  • [Kr] 4s¹
  • [Ar] 4s¹
  • [Ar] 4s²
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Solution

The noble gas configuration for potassium is [Ar] 4s^1.

Here's the step by step process:

  1. Identify the atomic number of potassium. Potassium (K) has an atomic number of 19.

  2. Find the noble gas that comes before potassium in the periodic table. The noble gas that comes before potassium is Argon (Ar), which has an atomic number of 18.

  3. Write the electron configuration for potassium. The electron configuration for potassium is [Ar] 4s^1. This means that potassium has the same electron configuration as Argon, plus one electron in the 4s orbital.

This problem has been solved

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