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The question asks which of the following statements is correct about carbon. The options are: a. Cannot conduct electricity b. Has low melting point and boiling point c. Isotope for x can be used to detect leakage in underground pipes d. Used as a standard atom to determine the relative atomic mass of an element explain
Accepted Answer
The correct statement about carbon is D. Used as a standard atom to determine the relative atomic mass of an element. Here's why:
A. Cannot conduct electricity: Carbon can conduct electricity in its graphite form, which has delocalized electrons.
B. Has low melting point and boiling point: Carbon has a very high melting point (3550 °C for graphite) and boiling point (4827 °C for graphite).
C. Isotope for X can be used to detect leakage in underground pipes: While certain isotopes are used for tracing, carbon-14 is used for radiocarbon dating, not for detecting leaks.
The relative atomic mass of elements is determined by comparing their mass to the mass of carbon-12, which is assigned a mass of exactly 12 atomic mass units (amu).
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