General Chemistry 1305 Questions & Answers
GENERAL CHEMISTRY 1305 QUESTIONS & ANSWERS A group of covalently bonded atoms that has an overall electrical charge is called a(n) - CORRECT ANSWER - polyatomic ion A polar bond is found in which of these compounds? a) H2O b) F2 c) NaCl d) H2 e) N2 - CORRECT ANSWER - a) H2O A(n) ___________ is the smallest neutral unit of two or more atoms held together by a covalent bond. - CORRECT ANSWER - A MOLECULE is the smallest neutral unit of two or more atoms held together by a covalent bond. According to the IUPAC nomenclature system, the types of compound that use prefixes in their names are - CORRECT ANSWER - covalent compounds. An Ionic Compound ____________. a) has a net positive charge. b) has a net negative charge. c) contains only cations. d) contains only anions. e) has a net charge of zero. - CORRECT ANSWER - An Ionic Compound ____________. e) has a net charge of zero. Double and triple bonds form because __________. - CORRECT ANSWER - single covalent bonds do not give all of the atoms in the molecule eight valence electrons. Fe2(SO4)3 is called _______________. - CORRECT ANSWER - iron (III) sulfate Hydrogen sulfide, H2S, has a shape similar to _____. - CORRECT ANSWER - water If the electronegativity difference between elements X and Y is 2.1, the bond between the elements X-Y is ______. - CORRECT ANSWER - Ionic
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