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What is the no. of electrons in Argon?
- a)16
- b)17
- c)18
- d)19
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
What is the no. of electrons in Argon?a)16b)17c)18d)19Correct answer i...
Argon has 18electrons
A=Z+N
A=mass number
Z=number of protons in nucleus
N=number of neutron in nucleus
Z=e=p (number of electron )
sol~
A=39
Z=e=p=18
N =21
second method is, (Aufbau Principle)
Ar=18
1s2,2s2 2p6,3s2 3p6.
A=Z+N
A=mass number
Z=number of protons in nucleus
N=number of neutron in nucleus
Z=e=p (number of electron )
sol~
A=39
Z=e=p=18
N =21
second method is, (Aufbau Principle)
Ar=18
1s2,2s2 2p6,3s2 3p6.
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What is the no. of electrons in Argon?a)16b)17c)18d)19Correct answer i...
Understanding Argon
Argon is a chemical element with the symbol "Ar" and atomic number 18. It is a noble gas, which means it has a full outer electron shell, making it stable and non-reactive.
Number of Electrons in Argon
- The number of electrons in a neutral atom equals the number of protons.
- For Argon, the atomic number is 18.
- Therefore, Argon has 18 electrons.
Electron Configuration
- The electron configuration of Argon is 1s² 2s² 2p⁶ 3s² 3p⁶.
- This configuration shows how the electrons are distributed in various energy levels:
- 1st shell: 2 electrons (1s²)
- 2nd shell: 8 electrons (2s² 2p⁶)
- 3rd shell: 8 electrons (3s² 3p⁶)
Why Argon has 18 Electrons
- Being in Group 18 of the periodic table, Argon is part of the noble gases.
- Noble gases have complete outer electron shells, contributing to their stability.
- The full outer shell configuration is why Argon does not readily form compounds with other elements.
Conclusion
- The correct answer to the question regarding the number of electrons in Argon is option C: 18.
- Understanding electron configurations and atomic numbers is essential for grasping the behavior of elements in chemistry.
Argon is a chemical element with the symbol "Ar" and atomic number 18. It is a noble gas, which means it has a full outer electron shell, making it stable and non-reactive.
Number of Electrons in Argon
- The number of electrons in a neutral atom equals the number of protons.
- For Argon, the atomic number is 18.
- Therefore, Argon has 18 electrons.
Electron Configuration
- The electron configuration of Argon is 1s² 2s² 2p⁶ 3s² 3p⁶.
- This configuration shows how the electrons are distributed in various energy levels:
- 1st shell: 2 electrons (1s²)
- 2nd shell: 8 electrons (2s² 2p⁶)
- 3rd shell: 8 electrons (3s² 3p⁶)
Why Argon has 18 Electrons
- Being in Group 18 of the periodic table, Argon is part of the noble gases.
- Noble gases have complete outer electron shells, contributing to their stability.
- The full outer shell configuration is why Argon does not readily form compounds with other elements.
Conclusion
- The correct answer to the question regarding the number of electrons in Argon is option C: 18.
- Understanding electron configurations and atomic numbers is essential for grasping the behavior of elements in chemistry.
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What is the no. of electrons in Argon?a)16b)17c)18d)19Correct answer is option 'C'. Can you explain this answer? for UPSC 2026 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about What is the no. of electrons in Argon?a)16b)17c)18d)19Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the no. of electrons in Argon?a)16b)17c)18d)19Correct answer is option 'C'. Can you explain this answer?.
What is the no. of electrons in Argon?a)16b)17c)18d)19Correct answer is option 'C'. Can you explain this answer? for UPSC 2026 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about What is the no. of electrons in Argon?a)16b)17c)18d)19Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the no. of electrons in Argon?a)16b)17c)18d)19Correct answer is option 'C'. Can you explain this answer?.
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