Hybridized orbitals - Study guides, Class notes & Summaries

Axial lone pairs correct answers Lies on axis of molecule where is srongly repels the electron pairs in the three equatorial bones Equatorial lone pair correct answers Lies on molecule's equator, where is strongly repels electron pairs in the two axial bonds sigma bond correct answers all single covalent bonds. A bond formed when two atomic orbitals combine to form a molecular orbital that is cylindrically symmetrical around the axis connecting the two atomic nuclei Head on overlap of hy...

Which of the following statements accurately describes the difference between a sigma (σ) and a pi (π) bond? A. Pi bonds form from the side-to-side overlap of hybridized sp, sp^2, sp^3 superscript orbitals. B. Sigma bonds form from the end-to-end overlap of two hybridized s or p orbitals. C. The maximum number of σ versus π bonds between two atoms are different, but the energy level of the two bonds are the same. D. Only sigma bonds use hybridized orbitals to overlap in forming the b...

Chapter 1—Structure and Bonding SHORT ANSWER 1. Give the ground-state electron configuration for carbon (atomic number 6). ANS: 1s22s22px12py1 or 1s22s22p2 2. Give the ground-state electron configuration for fluorine (atomic number 9). ANS: 1s22s22px2 2py2 2pz1 or 1s22s22p5 3.Give the ground-state electron configuration for magnesium (atomic number 12). ANS: 1s22s22p63s2 4. How many electrons does silicon have in its valence shell? ANS: four Exhibit 1-1 Write valid Lewis (electron-...

Chapter 3 -- Alkenes and Alkynes MULTIPLE CHOICE 1. Which of the following dienes can be classified as conjugated? A) CH3CH=C=CH2 B) CH3CH=CHCH=CH2 C) CH2=CHCH2CH=CH2 D) CH3CH=CHCH2CH2CH=CH2 E) CH2=C=CH2 ANS: B TOP: Alkenes and Alkynes: Nomenclature and Structure 2. Which of the following molecular formulas could not represent an alkene? A) C5H10 B) C7H14 C) C10H20 D) C27H56 E) C31H62 ANS: D TOP: Alkenes and Alkynes: Nomenclature and Structure 3. What...

Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence electrons. Build a bas...

Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence electrons. Build a bas...

Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence electrons. Build a bas...

Question 1 Correct 4.00 points out of 4.00 The SI base unit of mass is Select one: A. g. B. metric ton. C. mg. D. lb. E. kg. Question 2 Correct 4.00 points out of 4.00 The boiling point for liquid nitrogen is 77 K. What is the temperature in degrees Fahrenheit? Select one: A. –289°F B. –321°F C. –127°F D. 662°F E. 177°F Straighterline CHEM101 General Chemistry I Midterm Exam (New Version June 2024) We are a team of experts offering class attendance for all Stra...

Chapter 1-Structure and Bonding:Acids and Bases 1. How many total valence electrons are represented in the following electron configuration? 1s22s22px2 2py2 2pz1 or 1s22s22p5 a. 1 b. 3 c. 5 d. 7 e. 9 ANS: D Instructions: Write valid Lewis (electron-dot) structures for each formula below. Show all electrons as dots and show all nonbonding electrons. 2. Write: CH3CH2OH ethanol ANS: 3. The structure of urea is shown below. Fill in any nonbonding valence electrons that are missing from the l...

Organic Chemistry Questions The Covalent Bond 1. The hybridization of the central carbon in CH3CN and the bond angle CCN are a. sp2 , 180°. b. sp, 180°. c. sp2 , 120°. d. sp3 , 109°. 2. Which of the following statements about an sp hybridized carbon is FALSE? a. It is divalent. b. It forms bonds that are linear. c. It has two p orbitals. d. It always forms triple bonds to carbon. 3. Which molecule has the largest dipole moment? a. HCl b. CCl4 c. H2S d. CO2 4. What ...