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Which of the following is an example of a non-metal?
- a)Sodium
- b)Iron
- c)Oxygen
- d)Calcium
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which of the following is an example of a non-metal?a)Sodiumb)Ironc)Ox...
An example of a non-metal is (c) Oxygen. Non-metals are elements that lack metallic properties such as conductivity and luster. Oxygen is a non-metal and is a vital component of many compounds and the Earth's atmosphere.
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Which of the following is an example of a non-metal?a)Sodiumb)Ironc)Ox...
Understanding Non-Metals
Non-metals are elements that typically lack the characteristics of metals. They are generally poor conductors of heat and electricity, have higher electronegativities, and can form anions.
Elements in the Given Options
- Sodium (Na):
- Sodium is a metal, belonging to the alkali metals group. It is highly reactive and conducts electricity well.
- Iron (Fe):
- Iron is a transition metal known for its strength and ability to conduct electricity and heat. It is widely used in construction and manufacturing.
- Oxygen (O):
- Oxygen is a non-metal and a vital element for life. It is a gas at room temperature and is essential for respiration in living organisms. Oxygen is a poor conductor of heat and electricity, which is characteristic of non-metals.
- Calcium (Ca):
- Calcium is an alkaline earth metal. It is reactive, especially with water, and is important for biological functions, but it is still a metal.
Conclusion: Why Oxygen is the Correct Answer
Among the options, oxygen is the only non-metal. It is essential for combustion and respiration, and its gaseous state at room temperature further emphasizes its non-metallic nature. Understanding the differences between metals and non-metals is crucial for various scientific applications, including chemistry and biology.
Non-metals are elements that typically lack the characteristics of metals. They are generally poor conductors of heat and electricity, have higher electronegativities, and can form anions.
Elements in the Given Options
- Sodium (Na):
- Sodium is a metal, belonging to the alkali metals group. It is highly reactive and conducts electricity well.
- Iron (Fe):
- Iron is a transition metal known for its strength and ability to conduct electricity and heat. It is widely used in construction and manufacturing.
- Oxygen (O):
- Oxygen is a non-metal and a vital element for life. It is a gas at room temperature and is essential for respiration in living organisms. Oxygen is a poor conductor of heat and electricity, which is characteristic of non-metals.
- Calcium (Ca):
- Calcium is an alkaline earth metal. It is reactive, especially with water, and is important for biological functions, but it is still a metal.
Conclusion: Why Oxygen is the Correct Answer
Among the options, oxygen is the only non-metal. It is essential for combustion and respiration, and its gaseous state at room temperature further emphasizes its non-metallic nature. Understanding the differences between metals and non-metals is crucial for various scientific applications, including chemistry and biology.
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Which of the following is an example of a non-metal?a)Sodiumb)Ironc)Oxygend)CalciumCorrect answer is option 'C'. Can you explain this answer?
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Which of the following is an example of a non-metal?a)Sodiumb)Ironc)Oxygend)CalciumCorrect answer is option 'C'. Can you explain this answer? for Delhi Police Constable 2025 is part of Delhi Police Constable preparation. The Question and answers have been prepared according to the Delhi Police Constable exam syllabus. Information about Which of the following is an example of a non-metal?a)Sodiumb)Ironc)Oxygend)CalciumCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Delhi Police Constable 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is an example of a non-metal?a)Sodiumb)Ironc)Oxygend)CalciumCorrect answer is option 'C'. Can you explain this answer?.
Which of the following is an example of a non-metal?a)Sodiumb)Ironc)Oxygend)CalciumCorrect answer is option 'C'. Can you explain this answer? for Delhi Police Constable 2025 is part of Delhi Police Constable preparation. The Question and answers have been prepared according to the Delhi Police Constable exam syllabus. Information about Which of the following is an example of a non-metal?a)Sodiumb)Ironc)Oxygend)CalciumCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Delhi Police Constable 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is an example of a non-metal?a)Sodiumb)Ironc)Oxygend)CalciumCorrect answer is option 'C'. Can you explain this answer?.
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