10 grade 10 chemistry theory questions for the closing term

Answer 1

1. What is the difference between an element and a compound?
2. Explain the concept of atomic number and how it relates to the periodic table.
3. What is the difference between an exothermic and endothermic reaction?
4. Describe the process of balancing chemical equations.
5. What are the three states of matter and how do they differ from each other?
6. What is the concept of electronegativity and how does it affect chemical bonding?
7. Explain the difference between a homogeneous and heterogeneous mixture.
8. What are the properties and uses of acids and bases?
9. Describe the difference between a physical and chemical change.
10. Explain the concept of stoichiometry and how it is used in chemical equations.