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Chaitan Singh
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Asked: 2020-10-21T04:38:55+00:00 In:

Name three elements that have a single electron in their outermost shells.

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NCERT Solution for Class 10 Science Chapter 5
Periodic Classification of Elements
NCERT Books for Session 2020-2021
CBSE Board and UP Board
Intext Questions
Page No-91
Questions No-3 Part 1

2020-2021cbsechapter 5class10ncertperiodic classificationscience
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    5 Answers

    1. Lithium (Li), sodium (Na), and potassium (K) have a single electron in their outermost
      shells.

      For more answers visit to website:
      https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-5/

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    2. Li, Na, K, Rb

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    3. All first group elements like Li, Na, K, etc.

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    4. Li and Na

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    6. Hydrogen, Lithium and Sodium

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