1. Higher Chemistry Unit 1 Section 3 Patterns in the Periodic Table Multiple Choice Questions This is designed to be used by teachers to help students develop skills in answering multiple choice questions. Douglas Racey, Waid Academy, Anstruther, Fife, Scotland

2. Higher Chemistry Unit 2 - Patterns in the Periodic Table Multiple Choice Questions 1. Which entry in the table shows the trends in the electro negativity values of the elements in the Periodic Table? Across a periodDown a group A. DecreaseDecrease B. DecreaseIncrease C. IncreaseDecrease D. IncreaseIncrease Answer C.

3. Higher Chemistry Unit 2 - Patterns in the Periodic Table Multiple Choice Questions 2.The difference between the atomic size of sodium and chlorine is mainly due to the difference in the A.number of electrons B. number of protons C. number of neutrons D. mass of each atom Answer B.

4. Higher Chemistry Unit 2 - Patterns in the Periodic Table Multiple Choice Questions 3.Which element would require the most energy to convert one mole of gaseous atoms into gaseous ions carrying one positive charge? A.lithium B.sodium C.potassium D.caesium Answer A.

5. Higher Chemistry Unit 2 - Patterns in the Periodic Table Multiple Choice Questions 4.Which equation represents the first ionisation energy of fluorine? A.F(g)+e -  F - (g) B.F(g)  F + (g)+e - C.½ F 2 (g)  F - (g)+e - D.F + (g)+e -  F(g) Answer B.

6. Higher Chemistry Unit 2 - Patterns in the Periodic Table Multiple Choice Questions 5.Which statement concerning the size of atoms and ions is correct? A.Cl - is less than that of Cl B.H - is greater than that of H + C.Na + is greater than that of Na D.Fe 3+ is greater than that of Fe 2+ Answer B.

7. Higher Chemistry Unit 2 - Patterns in the Periodic Table Multiple Choice Questions 6. Which equation represents the first ionisation energy of a diatomic element X 2 ? A.½ X 2 (s)  X + (g) B. ½ X 2 (g)  X - (g) C.X(g)  X + (g) D.X(s)  X + (g) Answer C.

8. Higher Chemistry Unit 2 - Patterns in the Periodic Table Multiple Choice Questions 7. Sodium has a larger atomic size than lithium because sodium has because sodium has A.a higher first ionisation energy B.a higher mass number C.more occupied electron energy levels D.a larger nuclear charge Answer C.

9. Higher Chemistry Unit 2 - Patterns in the Periodic Table Multiple Choice Questions 8. Which element requires the most energy to convert one mole of gaseous atoms into one mole of gaseous ions with a 2+ charge? (You may wish to refer to the data booklet) (You may wish to refer to the data booklet) A.scandium B.titanium C.vamadium D.chromium Answer D.

10. Higher Chemistry Unit 2 - Patterns in the Periodic Table Multiple Choice Questions 9. Which property of the group 1 elements could be represented by the graph? could be represented by the graph? A.atomic size B.1 st ionisation energy C.melting point D.electro negativity Answer A. Li Na K Rb

11. Higher Chemistry Unit 2 - Patterns in the Periodic Table Multiple Choice Questions 10. In which molecule will the chlorine atom carry a partial positive charge (  +)? carry a partial positive charge (  +)? (You may wish to refer to the data booklet) (You may wish to refer to the data booklet) A.Cl-I B.Cl-F C.Cl-Br D.Cl-H Answer B.