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Which one of the following statements is correct about isotopes?
- a)Each isotope of an element is a pure substance.
- b)The chemical properties of isotopes are similar.
- c)The physical properties of isotopes are different.
- d)All of above.
Correct answer is option 'D'. Can you explain this answer?
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Which one of the following statements is correct about isotopes?a)Each...
Each atomic number identifies a specific element, but not the isotope; an atom of a given element may have a wide range in its number of neutrons. The number of nucleons (both protons and neutrons) in the nucleus is the atom's mass number, and each isotope of a given element has a different mass number.
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Which one of the following statements is correct about isotopes?a)Each...
Isotopes:
Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. Since the number of protons determines the element, isotopes still belong to the same element but have different atomic masses. For example, carbon-12, carbon-13, and carbon-14 are isotopes of carbon.
Explanation of the Correct Answer:
The correct statement about isotopes is:
d) All of the above.
Explanation of each statement:
a) Each isotope of an element is a pure substance:
- Isotopes are pure substances because they consist of a single element with a specific number of protons.
- However, isotopes have different atomic masses due to the varying number of neutrons.
b) The chemical properties of isotopes are similar:
- Isotopes have the same number of protons, which determines the element and its chemical properties.
- Chemical reactions involve the interactions of electrons, which are determined by the number of protons in an atom.
- Therefore, isotopes have similar chemical properties.
c) The physical properties of isotopes are different:
- Although isotopes have similar chemical properties, their physical properties can differ.
- Physical properties such as boiling point, melting point, density, and stability may vary depending on the isotope.
Conclusion:
In summary, the correct statement about isotopes is that all of the above statements are correct. Isotopes are pure substances, they have similar chemical properties due to the same number of protons, but their physical properties can differ depending on the atomic mass and number of neutrons.
Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. Since the number of protons determines the element, isotopes still belong to the same element but have different atomic masses. For example, carbon-12, carbon-13, and carbon-14 are isotopes of carbon.
Explanation of the Correct Answer:
The correct statement about isotopes is:
d) All of the above.
Explanation of each statement:
a) Each isotope of an element is a pure substance:
- Isotopes are pure substances because they consist of a single element with a specific number of protons.
- However, isotopes have different atomic masses due to the varying number of neutrons.
b) The chemical properties of isotopes are similar:
- Isotopes have the same number of protons, which determines the element and its chemical properties.
- Chemical reactions involve the interactions of electrons, which are determined by the number of protons in an atom.
- Therefore, isotopes have similar chemical properties.
c) The physical properties of isotopes are different:
- Although isotopes have similar chemical properties, their physical properties can differ.
- Physical properties such as boiling point, melting point, density, and stability may vary depending on the isotope.
Conclusion:
In summary, the correct statement about isotopes is that all of the above statements are correct. Isotopes are pure substances, they have similar chemical properties due to the same number of protons, but their physical properties can differ depending on the atomic mass and number of neutrons.
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Which one of the following statements is correct about isotopes?a)Each isotope of an element is a pure substance.b)The chemical properties of isotopes are similar.c)The physical properties of isotopes are different.d)All of above.Correct answer is option 'D'. Can you explain this answer?
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