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Find the Neutral Atom in the Periodic Table Which Has the Same Number of Electrons as K+ and Cl−. What is this Number? - Science

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ConceptPeriodic Classification of Elements Questions

Question

Find the neutral atom in the periodic table which has the same number of electrons as K+ and Cl. What is this number?

Solution

Argon is a neutral atom in the periodic table and has the same number of electrons as Kand Cl-. The atomic number of argon is 18. It has 18 electrons. Potassium (K) has 19 electrons but because it loses one electron, it becomes K+ and has 18 electrons. On the other hand, chlorine (Cl)  has 17 electrons but because it gains one electron, it forms Cland has 18 electrons.

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 Lakhmir Singh Solution for Chemistry Class 10 (2018 to Current)
Chapter 5: Periodic Classification Of Elements
Q: 76 | Page no. 308
Solution Find the Neutral Atom in the Periodic Table Which Has the Same Number of Electrons as K+ and Cl−. What is this Number? Concept: Periodic Classification of Elements Questions.
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