Which molecule or compound below contains a pure covalent bond? Choose the bond

Question

Which molecule or compound below contains a pure covalent bond? Choose the bond below that is the strongest List the number of sigma bonds and pi bonds in a triple bond. Use Lewis theory to determine the chemical formula for the compound formed between Ba Ba_2.V Ba_2N_3 BaN BaN_2 Ba_3 N_2 Which of the following ionic compounds would be expected to have the highest lattice energy? The antimony atom in SbCl3 would be expected to have a A) partial negative charge. charge. partial positive (delta+) charge. 3- charge. How many of the following elements can form compounds with an expanded octet? Give the approximate bond angle for a molecule with a tetrahedral shape. 120 degree 107 degree 109.5 degree 180 degree 90 degree What is the O-N-O bond angle in NO_3-? 109.5 degree greater than 120 degree 120 degree less than 109.5 degree Determine the electron geometry, molecular geometry and polarity of N_2O (N central). eg=linear, mg=linear, nonpolar eg=trigonal planar, mg=trigonal planar, nonpolar eg= tetrahedral, mg=linear, polar eg= linear, mg=linear, polar eg^t tetrahedral, mg=bent, nonpolar Give the hybridization for the O in OF2. sp^3 sp^2 sp^3d^2 sp sp^3 d

Explanation / Answer

1. B) I2

2. C)

3. D) 1 sigma, 2 pi

4. E) Ba3N2

5. D) LiF

6. B) +3 charge

7. C) 3 (P, As, B)

8. C) 109.5o

9. B) 120o

10. D) eg = linear, mg = linear, polar

11. A) sp3

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