Determine the geometry or shape of a BCI2 ion. Hint in general feedback Select one or more a. There are 16 valence electrons. b. There are 17 valence electrons. c. There are 18 valence electrons. d. The steric number is 2. e. The steric number is 3. f. The steric number is 4. g. Its geometry is linear. h. Its geometry is bent. 1. Its geometry is trigonal planar. OJ Its geometry is tetrahedral.
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- On the left side of Figure 3.6, label the areas shown with a dotted line where... one bond can form. one bond can form.How many valence electrons does a neutral a. K atom have? b. C atom? N atom? O atom?3. In a pi bond, A. electron density lies along the internuclear axis. B. electron density lies above and below the internuclear axis. C. electrons are more dense than they are in sigma bonds. D. more than two electrons are involved in the bond.
- Atom A has 4 valence electrons. Atom Z has 6 valence electrons. For the AZ3-2 ion How many valence electrons are in the structure? b. How many single bonds are in the structure? c. How many double bonds are in the structure? d. How many triple bonds are in the structure? e. How many lone pairs are on the central atom in the structure? f. What is the shape of the structure? g. What are the bond angles of this ion?1) What is the type of molecule? a. AX2E3 b. AX3E2 c. AX5 d. AX2E2 2) What is the molecular geometry of GL2-? a. Linear b. Trigonal Bypyramidal c. Bent or v-shaped d. Seesaw 3) What is the approx bond angle formed by L-G-L bond if the correct molecular geometry is followed? a. 180° b. 120° c. 109.5° d. 90° 4) Considering that L is more electronegative than G, and the en difference is 0.2, is the molecular polar? 5) What is the formal charge of G? 6) What is the formal charge of the labeled atom? (refer to the blue arrow)Which statement A-D about VSEPR theory is not correct? Select one: a. The steric number has five values from 2 to 6. b. Statements A-D are all correct. c. In VSEPR theory, the shape or geometry of a molecule is determined by electron-electron repulsion. d. The steric number of a central atom is the sum of the number of bonds and lone pairs around the atom. e. The molecular shape or geometry can differ from the electron-pair geometry.
- Consider the generic polyatomic ion XY3". Element X is the least electronegative. For neutral atoms, element X has 7 valence electrons and element Y has 6. The highest occupied principal energy level of the central atom is greater than 2. A. How many total valence electrons are in the molecule. B. Draw a BEST Lewis structure (i.e. a major resonance contributor) for this molecule. Show all valence electrons on your structure. C. If you haven't already, add the formal charge of each atom to the structure. Show at least one sample calculation for formal charge. D. Outline 4 short bullet points (~several words each) that explain why your structure from part B is the best one. Hint: think about what makes a valid structure and what makes a best structure. E. Perform a calculation to determine the average bond order between the X and Y atoms in your structure from part B. No credit will be given for just a number. F. Draw one more valid resonance structure other than the one from part B.…Atom A has 4 valence electrons. Atom Z has 6 valence electrons. For the AZ3-2 ion, answer the following questions about its Lewis dot structure (drawn according to Chm 130 guidelines). a. How many valence electrons are in the structure? b. How many single bonds are in the structure? c. How many double bonds are in the structure? d. How many triple bonds are in the structure? e. How many lone pairs are on the central atom in the structure? f. What is the shape of the structure? g. What are the bond angles of this ion?Research on the following molecules a.CO2 bOF2 c. CCl2 d. CH2Cl find their: a. Molecular geometry b. Individual bond EN difference c. Verdict if polar or nonpolar
- 1. Consider the 1st and 2nd ionization energies of the element Potassium. a. Which of the two ionization energies will be larger? The 1st or 2nd? b. Discuss the number of valence electrons that Potassium has, as well as provide a definition of ionization energy. 2. Consider the carbon dioxide molecule, which is composed of carbon and oxygen. a. Is this molecule polar or non-polar? b. Explain your answer to Part A in terms of molecular geometry of the molecule (draw the Lewis Structure). c. Explain your answer to Part A in terms of electronegativity and the dipole moments found within the carbon dioxide molecule.Finish the structure by adding lone pairs of electrons. What is the electron geometry around the N atom in the molecule depicted? -N 0-H A. trigonal pyramidal B. tetrahedral C. trigonal planar D. t-shaped Reset Selection1. Consider the carbon atom. Which of the following statements is CORRECT? A) In a carbon atom, the 2s and 2p orbitals are equal in energy. B) A carbon-hydrogen bond in ethane (CH3CH3) is highly polar. C) Carbon has two valence electrons. D) Carbon may form polar or non-polar covalent bonds. O a. A O b. B O C.C O d. D