Question

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how many total and how many valence electrons are in the following neutral atom?
potassium (k)
total electrons:
valence electrons:
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Explanation:

Step1: Determine total electrons

For a neutral atom, the number of electrons equals the atomic number. The atomic number of potassium (K) is 19. So, total electrons = 19.

Step2: Determine valence electrons

Potassium is in group 1 of the periodic table. Elements in group 1 have 1 valence electron.

Answer:

Total electrons: 19
Valence electrons: 1