What is the weight of one mole Carbon atoms?
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Which one of the following nonmetals shows allotropy in the liquid state?
Terylene is a condensation polymer of ethylene glycol and which acid?
The common name of dichlorodifluoromethane is _____.
Which of the following elements has the lowest melting point?
NaCl has ______.
Acids that contain Hydrogen and other non-metallic element(s), except Oxygen, are called