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University of Toronto
Final Exam Review Essential
Answers and Concepts
Course: CHMA10 Introductory Chemistry I
, CHMA10 2nd Term Test
Name Student Number
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Identify the number of electron groups around a molecule with a trigonal bipyramidal shape. 1)
A) 1 B) 2 C) 3 D) 4 E) 5
2) Use the molecular orbital diagram shown to determine which of the following is paramagnetic. 2)
A) B2 B) B22⁻ C) N22⁺ D) B22⁺ E) C22⁻
3) Draw the Lewis structure for BrCl3. What is the hybridization on the Br atom? 3)
A) sp2 B) sp3d2 C) sp3 D) sp3d E) sp
4) Use Lewis theory to determine the chemical formula for the compound formed between Mg and Br. 4)
A) MgBr B) Mg2Br3 C) Mg3Br2 D) Mg2Br E) MgBr2
A-1
University of Toronto
Final Exam Review Essential
Answers and Concepts
Course: CHMA10 Introductory Chemistry I
, CHMA10 2nd Term Test
Name Student Number
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Identify the number of electron groups around a molecule with a trigonal bipyramidal shape. 1)
A) 1 B) 2 C) 3 D) 4 E) 5
2) Use the molecular orbital diagram shown to determine which of the following is paramagnetic. 2)
A) B2 B) B22⁻ C) N22⁺ D) B22⁺ E) C22⁻
3) Draw the Lewis structure for BrCl3. What is the hybridization on the Br atom? 3)
A) sp2 B) sp3d2 C) sp3 D) sp3d E) sp
4) Use Lewis theory to determine the chemical formula for the compound formed between Mg and Br. 4)
A) MgBr B) Mg2Br3 C) Mg3Br2 D) Mg2Br E) MgBr2
A-1
