Delocalization - Study guides, Class notes & Summaries

C125 STUDY GUIDE EXAM QUESTIONS AND ANSWERS electron delocalization - Answer- Resonance structures lower the energy through.... sp3 - Answer- What is the hybridization of the central atom in H2O? yes - Answer- can both bonding and antibonding molecular orbitals have nodal planes? perpendicular to internuclear axis - Answer- sigma and pi antibonding molecular orbitals always have a nodal plane where? 2p - Answer- If we apply the HOMO and LUMO concepts in atomic orbitals, we will h...

Bio305 Exam Questions And Answers (Verified And Updated) Anabolic pathways usually involve ____. Answers: a. Reduction of Metabolites b. Release of PPi c. Production of ATP d Release of CO2 - answera Diffusion of compounds - e.g. ions, atoms, or molecules - down a gradient is ___ because it ___. Answers: a. Endergonic; does not involve bond formation. b. Exergonic; produces heat. c. Exergonic; increases entropy. d. Exergonic; separates like charges - answerc _____is a high energy c...

how to write formula of a molecule - ANSWERC first, H sexond, alphabetical order eg. C3H5BrO nonpolar covalent bonding - ANSWER2 electrons shared equally eg. H-H polar covalent bonding - ANSWER2 electrons shared unequally eg. C-O (more reactive) units of unsaturation - ANSWER(2N+2-m+t)/2 count rings and multiple bonds curved arrow notation - ANSWERbegin where electrons start and point where electrons are going heterdytic break - ANSWERelectrons move together during curved a...

Bronsted acid - ANSWER--donates a proton Bronsted base - ANSWER--accepts a proton Conjugate base - ANSWER--anion that remains when a Bronsted acid donates a proton Conjugate pair - ANSWER--combination of a Bronsted acid and its conjugate base (or vice versa) Conjugate acid - ANSWER--cation that remains when a Bronsted base accepts a proton An acid becomes what? A base? - ANSWER--acid -> conjugate base -base -> conjugate acid The strength of an acid is measured by what? -...

Protons positively charged particles Neutrons neutrally charged particles Electrons negatively charged particles Cations positively charged ions Anions negatively charged ions Mass Number sum of number of protons and neutrons in nucleus of an atom Isotope two or more forms of the same element (same number of protons) whose atoms differ in number of neutrons, and in mass, with the same atomic number and different mass number. Quantitative information such as numerical data Qualita...

a unit of matter that results when two or more atoms are joined by covalent bonds molecule a bond resulting from the electrostatic attraction of a cation for an anion ionic bond Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:03 / 0:15 Full screen a bond characterized by an even distribution of charge; electrons in the bonds are shared equally by the two atoms non polar covalent bond charged group of more than one k...

CHEM 250 End Of Semester Exam Questions Solved Correctly 2024.

Polar covalent bond - correct answer Unsymmetrical electron distribution in a covalent bond. Are directional (due to set bond angles). Polarity - correct answer Implies separation of charge. Dipole moment - correct answer A measure of the net polarity of a molecule. A dipole moment arises when the centers of mass of positive and negative charges within a molecule do not coincide....

what factors explain the outcomes of reactions? hybridization, delocalization, eN, atom density what is a leaving group? - group of atom(s) that can be stable on its own - eN atoms that are good LG also make strong acids what is the α carbon? C directly attached to leaving group what are β Cs? β Hs? βC: C(s) attached to α carbon βH: H(s) attached to βC what is a LB? is it a nucleophile or electrophile? lewis base, nucleophile what is nucleophilic ...

what factors explain the outcomes of reactions? - hybridization, delocalization, eN, atom density what is a leaving group? - - group of atom(s) that can be stable on its own - eN atoms that are good LG also make strong acids what is the α carbon? - C directly attached to leaving group what are β Cs? β Hs? - βC: C(s) attached to α carbon βH: H(s) attached to βC what is a LB? is it a nucleophile or electrophile? - lewis base, nucleophile what is nucleophilic ...