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.

2. Higher Chemistry Unit 2 - Section 3 Patterns in the Periodic Table Multiple Choice Questions 1. Which entry in the table shows the trends in the electronegativity 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 - Section 3 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 - Section 3 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 two positive charges? A.scandium B.titanium C.vanadium D.chromium Answer D.

5. Higher Chemistry Unit 2 - Section 3 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 - Section 3 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.