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How many electrons does phosphorus have in its valence shel? (B) Three 1. (A) One (C) five (D) seven How many electrons does the element with an electron configuration of 1s 2s 2p have in its outermost shell? (A) two 2. (B) four (C) six (D) eight 3. In a double bond, how many electrons are shared between two atoms? (A) two (C) six (B) four (D) eight 4. In a polar covalent bond, the more electronegative atom acquires (A) 8+ charge (B) 8- charge (C) zero charge (D) Either A or B 5. Refer to Figure 1 shown on the right, which of the following statement is TRUE? (A) Br atom is more electronegative than Cl atom. (B) Clatom is more electronegative than Br atom. (C) Cl atom acquire a &+ charge. (D) Electrons move towards the Br atom. Br-Cl For Items 6 to 10, refer to Figure 2: Figure 1 Identify the hybridization state of the endrcled atom. (A) sp (B) sp 6. (C) sp' (D) s 7. Predict the bond angle around the encircled atom. (A) 0° (B) 109.5 (C) 120° (D) 180° :0: 8. Determine the formal charge of Oxygen atom. (A) -1 (B) 0 (C) +1 (D) 6 H-N-C=€C–H 9. The total number of a bonds H H (A) 4 (B) 5 (C) 6 (D) 7 Figure 2 10. The total number of m bonds (A) 0 (B) 1 (C) 2 (D) 3 11. Which of the following structural formulas has the molecular formula CaHi2 ? (A) 3 and 4 (B) 2 and 3 (C) 1,2 and 5 (D) 1, 4 and 5 26. Select the necessary reagents to convert: (A) H,O and H,So. (B) H,SO, and heat (C) BH, then H0, and NaOH (D) KMNO, and H,SO, H,C OH

How many electrons does phosphorus have in its valence shel? (B) Three 1. (A) One (C) five (D) seven How many electrons does the element with an electron configuration of 1s 2s 2p have in its outermost shell? (A) two 2. (B) four (C) six (D) eight 3. In a double bond, how many electrons are shared between two atoms? (A) two (C) six (B) four (D) eight 4. In a polar covalent bond, the more electronegative atom acquires (A) 8+ charge (B) 8- charge (C) zero charge (D) Either A or B 5. Refer to Figure 1 shown on the right, which of the following statement is TRUE? (A) Br atom is more electronegative than Cl atom. (B) Clatom is more electronegative than Br atom. (C) Cl atom acquire a &+ charge. (D) Electrons move towards the Br atom. Br-Cl For Items 6 to 10, refer to Figure 2: Figure 1 Identify the hybridization state of the endrcled atom. (A) sp (B) sp 6. (C) sp' (D) s 7. Predict the bond angle around the encircled atom. (A) 0° (B) 109.5 (C) 120° (D) 180° :0: 8. Determine the formal charge of Oxygen atom. (A) -1 (B) 0 (C) +1 (D) 6 H-N-C=€C–H 9. The total number of a bonds H H (A) 4 (B) 5 (C) 6 (D) 7 Figure 2 10. The total number of m bonds (A) 0 (B) 1 (C) 2 (D) 3 11. Which of the following structural formulas has the molecular formula CaHi2 ? (A) 3 and 4 (B) 2 and 3 (C) 1,2 and 5 (D) 1, 4 and 5 26. Select the necessary reagents to convert: (A) H,O and H,So. (B) H,SO, and heat (C) BH, then H0, and NaOH (D) KMNO, and H,SO, H,C OH

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. How many electrons does phosphorus have in its valence shell? (A) One (B) Three (C) five (D) seven How many electrons does the element with an electron configuration of 1s 2s 2p* have in its outermost shell? (A) two 2. (B) four (C) six (D) eight In a double bond, how many electrons are shared between two atoms? (B) four 3. (A) two (C) six (D) eight In a polar covalent bond, the more electronegative atom acquires (A) õ+ charge 4. (B) ô- charge (C) zero charge (D) Either A or B Refer to Figure 1 shown on the right, which of the following statement is TRUE? (A) Br atom is more electronegative than Cl atom. (B) Cl atom is more electronegative than Br atom. (c) Cl atom acquire a õ+ charge. (D) Electrons move towards the Br atom. 5. Br-Cl For Items 6 to 10, refer to Figure 2 : Figure 1 Identify the hybridization state of the encircled atom. (A) sp. (B) sp 6. (C) sp' (D) s Predict the bond angle around the encircled atom. (A) 0° (B) 109.5° 7. (C) 120° (D) 180° :0: Determine the formal charge of Oxygen atom. (A) -1 (B) 0 H-N-c€C+H 8. (C) +1 (D) 6 H The total number of a bonds (A) 4 (B) 5 9. H (C) 6 (D) 7 Figure 2 The total number of m bonds (A) O (B) 1 10. (C) 2 (D) 3 11. Which of the following structural formulas has the molecular formula CeHı2? 1 2 (B) 2 and 3 3 5 (A) 3 and 4 (C) 1,2 and 5 (D) 1, 4 and 5 OH 26. Select the necessary reagents to convert: (A) H,O and H,so, (B) H;SO, and heat (C) BH, then H;O, and NaOH (D) KMno, and H,so, CH, H,C OH
Transcribed Image Text:1. How many electrons does phosphorus have in its valence shell? (A) One (B) Three (C) five (D) seven How many electrons does the element with an electron configuration of 1s 2s 2p* have in its outermost shell? (A) two 2. (B) four (C) six (D) eight In a double bond, how many electrons are shared between two atoms? (B) four 3. (A) two (C) six (D) eight In a polar covalent bond, the more electronegative atom acquires (A) õ+ charge 4. (B) ô- charge (C) zero charge (D) Either A or B Refer to Figure 1 shown on the right, which of the following statement is TRUE? (A) Br atom is more electronegative than Cl atom. (B) Cl atom is more electronegative than Br atom. (c) Cl atom acquire a õ+ charge. (D) Electrons move towards the Br atom. 5. Br-Cl For Items 6 to 10, refer to Figure 2 : Figure 1 Identify the hybridization state of the encircled atom. (A) sp. (B) sp 6. (C) sp' (D) s Predict the bond angle around the encircled atom. (A) 0° (B) 109.5° 7. (C) 120° (D) 180° :0: Determine the formal charge of Oxygen atom. (A) -1 (B) 0 H-N-c€C+H 8. (C) +1 (D) 6 H The total number of a bonds (A) 4 (B) 5 9. H (C) 6 (D) 7 Figure 2 The total number of m bonds (A) O (B) 1 10. (C) 2 (D) 3 11. Which of the following structural formulas has the molecular formula CeHı2? 1 2 (B) 2 and 3 3 5 (A) 3 and 4 (C) 1,2 and 5 (D) 1, 4 and 5 OH 26. Select the necessary reagents to convert: (A) H,O and H,so, (B) H;SO, and heat (C) BH, then H;O, and NaOH (D) KMno, and H,so, CH, H,C OH
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