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The number of electrons, protons and neutrons in an atom of ²³₁₁Na respectively are:
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Subject
Chemistry
Topic
Atomic Structure
Subtopic
Atomic and Mass Number
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easy
11, 11, 12
12, 11, 11
11, 12, 11
23, 11, 12
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Explanation
Sodium has atomic number 11 (11 protons and 11 electrons) and mass number 23, so neutrons = 23 - 11 = 12.…
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Concept Behind This Question
This question focuses on the concept of Atomic and Mass Number under the broader topic of Atomic Structure.
Related key concepts: atomic number, mass number, sodium.
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Question Details
- Subject:
- Chemistry
- Topic:
- Atomic Structure
- Subtopic:
- Atomic and Mass Number
- Difficulty:
- easy
- Source:
- Punjab Textbook Chemistry XI - Ch. Atomic Structure
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