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Below is the Aufbau diagram of an unknown atom. Study the diagram and answerthe following questions. 4.1 Define the term atomic number. (1) Use the Aufbau diagram of an unknown atom above to answer the followingquestions. 4.2 In which group and period is the atom in the diagram above? (2) 4.3 4.4 How will the … Read more

The velocity time graph below represents the motion of a girl riding her bicycle in aneasterly direction on a straight, level road. 4.1 Write down the: 4.1.1 Girl’s initial velocity (2) 4.1.2 Magnitude of the girl’s velocity at t = 300 s (2) 4.2 Use the information from the graph to describe the girl’s motion: … Read more

Grade 11 learners want to verify the relationship between temperature and volume of a gas. They used the following experimental set-up. 4.1 Write down the name of the gas law that is investigated. (1) 4.2 For this investigation write down the: 4.2.1 Investigative question (2) 4.2.2 Controlled variable (1) 4.3 Write down the name of … Read more