THIRD TERM HOLIDAY ASSIGNMENT SS 2 CHEMISTRY SS TWO 1. Draw and study the periodic table. 2. Write the electronic configuration of group 7 elements. 3. The table below represents part of the periodic table, with only the atomic numbers of the elements listed. The letters given are not the symbols of the elements. Use these letters to answer the following questions. 1A 2B 3C 4D 5E 6F 7G 8H 9I 10J 11K 12L 13M 14N 15O 16P 17Q 18R a. Which are the alkali metals, alkaline earth metals, halogens and noble gases? b. which are the most reactive metallic and non – metallic elements? c. Which group will react with oxygen to give i. Covalent compounds with formula XO2 ii. Electrovalent compounds with formula X2O d. The element Q reacts with C and F to form an ionic solid and a covalent liquid respectively. Suggest the formulae for these products and compare i. their solubilities ii. their electrical conductivities when molten or fused iii. the types of bonding involved Note: This holiday assignment must be type and spiral bind by each students. Failure to do so will attract penalties. MATHEMATICS SS TWO 1. Simplify the following, expressing the answers in bar notation where necessary. a. 2 . 6 b. 1 . 5 c. 3 . 8 d. 4 . 3 x 2 e. 3 . 8 ÷ 4 f. 7 .2 ÷ 4 + 3 . 1 +2 . 5 - 5 .2 2. Use mathematical tables to evaluate: a. 3 349 b. 1.4873 – 1 2608 1.4873 +1 c. 6250 41.02 x 0.207 x 0.064 PHYSICS SS TWO 1. a. What is equilibrium force (equilibriant force)? b. Define moment of a force. c. A light rod of length 1.5m is pivoted at 0. A force of 5N acts at the other end of the rod at an angle of 30o to the rod. Calculate the moment due to the force. 2. Describe briefly how you can determine the centre of gravity of a plane laminar with an irregular shape. 3. a. Define the following terms and write their formular. i. Time of flight of a projectile. ii. Range of a projectile. iii. Maximum height of a projectile. b. i. What is projectile? ii. Give five examples of projectile motion. 4. a. What is linear momentum? b. State Newton’s first, second and third laws of linear momentum. 5. a. State the principle of conservation of linear momentum. b. A billard ball of mats 0.15kg is dropped from a height of 2.0m onto a hard floor. It rebounds to a height of 1.8m. the time the ball is in contact with the floor is 0.05 seconds. Calculate a. The velocity of the ball when it hits the floor. b. The velocity of rebound. c. The change in momentum. d. The force exerted on the ball by the floor, on impact (take g = 10 Nkg -1) GOVERNMENT SS 2 1. a. What is indirect rule? 2. b. Explain five ways why indirect rule was succeed in the Northern part of Nigeria CIVIC EDUCATION SS 2 1. Explain five factors that promote interpersonal relationship. 2. COMMERCE SS 2 1. Explain in broad note the role of advertising to business organization. Financial Accounting SS 2 1. Explain the similarities between Trading Account and Manufacturing Account.