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Black_prince [1.1K]
4 years ago
9

A Potassium (K) atom attains a stable electron configuration when it combines with.

Chemistry
1 answer:
likoan [24]4 years ago
8 0
Answer is: <span>one chlorine atom.
They form ionic compound potassium-chloride (KCl).
</span>Electron configuration of potassium: ₁₉K 1s²2s²2p⁶3s²3p⁶4s¹.
Electron configuration of chlorine: ₁₇Cl 1s²2s²2p⁶3s²3p⁵.
Potassium lose one electron to <span>attains a stable electron configuration of noble gas argon (Ar).</span>
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