SCH4U1 - Practice Exam

SCH4U1 - Practice Exam - SCH 4U1 Practice Exam MARK...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
SCH 4U1 – Practice Exam MARK DISTRIBUTION: SECTION MARKS TOTAL PART A – MULTIPLE CHOICE 30 PART B - FILL IN THE BLANK 14 PART C - SHORT ANSWER 15 PART D – PROBLEMS 37 Total 96
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
SCH 4U – Practice Exam PART A MULTIPLE CHOICE (KNOWLEDGE - 3O) Identify the letter of the choice that best completes the statement or answers the question. 1. Which of the following elements would have the lowest first ionization energy? a. sodium d. chlorine b. aluminum e. argon c. nitrogen 2. Energy released when "excited" electrons return to lower energy levels produce. .. a. electron affinities d. all of the above b. ionization energies e. none of the above c. line spectra 3. Which of the following is the electron configuration for neon? a. 1s 2 2s 2 2p 4 3s 2 d. 1s 3 2s 3 2p 4 b. 1s 1 2s 1 2p 6 3s 2 e. 1s 2 2s 2 2p 8 c. 1s 2 2s 2 2p 6 4. Iron forms a common ion with a charge of +3.   The electron configuration of this  ion is:  a. 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 d. 1s 2 2s 2 2p 6 3s 2 3p 6 3d 6 b. 1s 2 2s 2 2p 6 3s 2 3p 6 3d 9 e. 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 3 c. 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 8 5. Which of the following is true of orbitals? a. They are two-dimensional paths around the nucleus. b. They can contain maximum of two electrons. c. Their shapes are predicted by Bohr's equation. d. all of the above e. none of the above 6. Which of the following is the electron configuration for the fluoride ion, F ? a. 1s 2 2s 2 2p 4 d. 1s 2 2s 2 2p 6 b. 1s 2 1p 6 e. 1s 2 2s 2 2p 6 3s 1 c. 1s 2 2s 2 2p 5 7.   In bonding orbital theory, a carbon-carbon triple bond consists of a. 3 pi bonds d. 1 sigma bonds + 4 pi bonds b. 1 sigma bond + 2 pi bonds e. 3 sigma bonds c. 2 sigma bond + 3 pi bonds
Background image of page 2
SCH 4U – Practice Exam 8. A substance is a brittle crystal that conducts electricity in molten liquid state only. Which type of  substance is it? a. metallic crystal d. molecular crystal b. ionic crystal e. frozen gas c. covalent crystal
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
SCH 4U – Practice Exam 9. Four pairs of covalently-bonded electrons surrounding a central atom will be  arranged a. pyramidally d. linearly b. spherically e. trigonally c. tetrahedrally 10. The attractive forces that exist between atoms in liquid helium are known as a. dipole-dipole forces d. hydrogen bonds b. ion-dipole forces e. Van der Waals forces c. covalent bonds 11. Which of these intermolecular forces exist in between water, H 2 O, molecules: I. Van der Waals II. metallic bonding III. hydrogen bonding IV. covalent bonding a. I only d. I, III and IV only b. I and IV only e. I, II and III only c. I and III only 12. The molar heat of vaporization of water is 42 kJ/mol. How much energy is released  by the  condensation of 3.0 g of water?
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/06/2011 for the course SCH 4U taught by Professor White during the Spring '10 term at Beacon FL.

Page1 / 17

SCH4U1 - Practice Exam - SCH 4U1 Practice Exam MARK...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online