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Which of the following element has the same valency and number of valence electrons?
- a)Nitrogen
- b)Sulphur
- c)Carbon
- d)Oxygen
- e)None of the above/ More than one of the above
Correct answer is option 'C'. Can you explain this answer?
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Which of the following element has the same valency and number of vale...
Understanding Valency and Valence Electrons
Valency refers to the ability of an element to combine with other elements, determined by the number of electrons an atom can lose, gain, or share. Valence electrons are the electrons in the outermost shell of an atom that are responsible for chemical bonding.
Valency and Valence Electrons of the Given Elements
- Nitrogen (N)
- Valence Electrons: 5
- Valency: 3 (can form three bonds)
- Sulphur (S)
- Valence Electrons: 6
- Valency: 2 (can form two bonds)
- Carbon (C)
- Valence Electrons: 4
- Valency: 4 (can form four bonds)
- Oxygen (O)
- Valence Electrons: 6
- Valency: 2 (can form two bonds)
Identifying the Correct Answer
Among the listed elements:
- Carbon has 4 valence electrons and a valency of 4.
Conclusion
The correct answer is option 'C' (Carbon) because it uniquely has the same number of valence electrons and valency. The other elements do not match this criterion:
- Nitrogen has 5 valence electrons and a valency of 3.
- Sulphur has 6 valence electrons and a valency of 2.
- Oxygen has 6 valence electrons and a valency of 2.
Thus, the only element that meets the requirement of having the same number of valency and valence electrons is Carbon.
Valency refers to the ability of an element to combine with other elements, determined by the number of electrons an atom can lose, gain, or share. Valence electrons are the electrons in the outermost shell of an atom that are responsible for chemical bonding.
Valency and Valence Electrons of the Given Elements
- Nitrogen (N)
- Valence Electrons: 5
- Valency: 3 (can form three bonds)
- Sulphur (S)
- Valence Electrons: 6
- Valency: 2 (can form two bonds)
- Carbon (C)
- Valence Electrons: 4
- Valency: 4 (can form four bonds)
- Oxygen (O)
- Valence Electrons: 6
- Valency: 2 (can form two bonds)
Identifying the Correct Answer
Among the listed elements:
- Carbon has 4 valence electrons and a valency of 4.
Conclusion
The correct answer is option 'C' (Carbon) because it uniquely has the same number of valence electrons and valency. The other elements do not match this criterion:
- Nitrogen has 5 valence electrons and a valency of 3.
- Sulphur has 6 valence electrons and a valency of 2.
- Oxygen has 6 valence electrons and a valency of 2.
Thus, the only element that meets the requirement of having the same number of valency and valence electrons is Carbon.
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Community Answer
Which of the following element has the same valency and number of vale...
- Valency is the capacity of an atom to form covalent bonds with other atoms.
- In contrast, valence electrons are the number of electrons that are needed for a complete outer shell in a compound.
- Carbon has 4 electrons in its outer shell, thus needing four more for completion.
- As a result, its valency and number of valence electrons are the same.
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Which of the following element has the same valency and number of valence electrons?a)Nitrogenb)Sulphurc)Carbond)Oxygene)None of the above/ More than one of the aboveCorrect answer is option 'C'. Can you explain this answer?
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