Covalent bonds Exam Questions with Correct Answers

Covalent bonds Exam Questions with Correct Answers What term means that metals can be pulled into thin strands or wire? - Answer-Ductile What is the empirical formula of a substance that is 53.5% C, 15.5% H, and 31.1% N, by weight? - Answer-C2H7N What is the correct name for N2O5? - Answer-Dinitrogen pentoxide What is the basis of a metallic bond? - Answer-The attraction of metal ions to mobile electrons Which of the following is a covalent compound? A.) BeHCO3 B.) PCl5 C.)Agl D.)MgS - Answer-PCl5 Why do atoms share electrons in covalent bonds? - Answer-To attain a noble gas electron configuration What is the empirical formula of a compound that is 40% sulfur and 60% oxygen by weight? - Answer-SO3 What is the name of the alkane having 5 carbons? - Answer-Pentane