Vsepr Study guides, Class notes & Summaries

Test Bank for Chemical Principles: The Quest for Insight 8e 8th Edition by Peter Atkins; Loretta Jones; Leroy Laverman; Kelley Young; James Patterson. Full Chapters are included (Focus 1 to Focus 10 are included) Focus 1: Atoms 1A Investigating atoms 1B Quantum theory 1C Wavefunctions and energy levels 1D The hydrogen atom 1E Many-electron atoms 1F Periodicity Focus 2: Bonds Between Atoms 2A Ionic bonding 2B Covalent bonding 2C Beyond the octet rule 2D The properties of bonds 2...

Energy (decreases/increases) with increasing wavelength? - correct answer decreases Energy (decreases/increases) with increasing frequency? - correct answer increases The energy gaps between levels (decrease/increase) as the energy levels increase (n=1 to n=2 to n=3, etc.) - correct answer decreases The O-Si-O bond angles in SiO₂ (quartz) are closest to... - correct answer 110° A molecule with 0 lone pairs and 2 bonding electron pairs would be? - correct answer linear ...

Saturated hydrocarbons equation - ANSWERCnH(2n+2) Units of unsaturation equation - ANSWER[(2n+2)-(#H)-(#monovalent)+(#trivalent)]/2 Most significant resonance feature - ANSWERClosed shell > open shell Second most significant resonance feature - ANSWERUncharged > charged Third most significant resonance feature - ANSWERElectrons on electronegative atoms Least significant resonance feature - ANSWERAvoid same charges on adjacent atoms (+/+ and -/-) When are electrons delocal...

VSEPR - Valence shell electron repulsion: place the electron around the central atom as far from each other as possible Electron-group arrangement - The 3-D geometric shape that the bonding and nonbonding electron occupy Molecular shape - The 3D shape that only the bonded atoms occupy, i.e. What the molecule "looks like" AXmEn notation - A=central atom

Chem 104 Exam Questions With Answers From a thermochemical standpoint, the formation of a chemical bond is _____________. - ANS Exothermic The lattice energy of an ionic compound can be calculated using the __________ _____________ ___________ - ANS Born-Haber cycle Atoms of different electronegativity form ________ __________ bonds - ANS Polar covalent ______________ is defined as "the ability to attract electrons to itself in a chemical bond" - ANS Electronegativity Di...

Notes covering stoichiometry, chemical bonding, vsepr theory, intermolecular forces, chemical equilibrium, enthalpy, reaction rates, organic chemistry, electrochemistry, acids and bases.

How many lone pairs of electrons are on the central element in CCI4? correct answer: 0 Use the VSEPR theory to predict the molecular geometry of nitrogen tribromide, NBr3 correct answer: Trigonal Pyramidal ________hybrid orbitals are used for bonding by Xe in the XeF4 molecule. correct answer: sp^3d^2 Which set of ions are isoelectronic in their ground state electron configuration? correct answer: N^3-, o^2-, Mg^2+, Al^3+ The familiar phenomenon of a rainbow results from the diff...

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is the general electron configuration for the outermost electrons of elements in the alkaline earth group? 1) A) ns2np5 B) ns2 C) ns1 D) ns2np6(n -1)d6 E) ns2np4 2) Which of the following is the electron configuration for the bromide ion? 2) A) [Kr]5s24d105p7 B) [Xe] C) [Kr] D) [Ar] E) [Ar]4s23d104p7 3) Valence electrons are electrons located 3) A) in the out...

What is the ground state electron configuration of carbon? A. 1s22s22px1 B. 1s22s22px2 C. 1s22s22px12py1 D. 1s22s22px22py1 2. Which of the following has (have) the same electron configuration as Ne? Na- Mg2+ O2- Mg+ A. Na-andO2- B. Mg2+ and O2- C. Mg+ and O2- D. only Mg2+ Accessibility: Keyboard Navigation Bloom's Level: 3. Apply Chapter: 01 Difficulty: Medium Gradable: automatic Section: 01.01 Subtopic: Periodic table trends Topic: Structure and Bonding Accessibility: Keyboard Naviga...

CHEM 1311 4a Exam Questions with Correct Answers What is the hybridization of the nitrogen atom NH3? a. sp b. sp2 c. sp3 d. sp3d e. sp3d2 - Answer-c. sp3 The valence shell is a. the highest energy level occupied by electrons b. the set of orbitals used to make triple bonds c. the orbitals belonging to the entire molecule d. the lowest energy level occupied by electrons e. the hard covering on crustaceans - Answer-a. the highest energy level occupied by electrons What is t...