2024 examinations question for ss1 third term chemistry
1. Define the term "atom" and explain its significance in chemistry.
2. What is the difference between a compound and a mixture? Provide examples of each.
3. Describe the structure of an atom, including the three subatomic particles and their charges.
4. How are elements organized in the periodic table? What information does the periodic table provide about each element?
5. Define the terms "physical change" and "chemical change." Provide examples of each.
6. Explain the difference between an element and a compound. Give examples of each.
7. Discuss the properties of metals and nonmetals. How do these properties influence their use in everyday life?
8. Define the term "molecule" and explain how molecules are formed.
9. What are acids and bases? How do they differ in terms of their chemical properties and uses?
10. Describe the process of balancing a chemical equation. Provide an example of a balanced chemical equation.
11. Explain the concept of pH and its importance in chemistry.
12. How are chemical reactions classified? Provide examples of each type of reaction.
13. Discuss the role of catalysts in chemical reactions. Give examples of common catalysts.
14. What is the difference between an exothermic and endothermic reaction? Provide examples of each.
15. Describe the importance of the law of conservation of mass in chemical reactions. Give an example to illustrate this law.