Methodical recommendation:

Theory

Number Name Description
1. Atoms and molecules A theoretical material explains how to write chemical formula and molecular mass.

Practice Questions

Number Name Type Difficulty Marks Description
1. Atom, molecule and element Other easy 1 m. An exercise consisting of questions which related to atoms and molecules.
2. Dalton's atomic theory Other easy 1 m. The student has to choose the correct answer, and the questions deal with the importance of the atoms and molecules. As an outcome of this exercise, the student will learn about the mentioned concepts.
3. Atomicity Other easy 2 m. An exercise consisting of choose the correct answers type questions which related to atomicity of molecules.
4. Law of conservation of mass Other medium 3 m. The student has to choose the correct answer for atoms and molecules.
5. Mass number Other medium 2 m. An exercise consisting of calculate the atomic mass type questions which related to atomic mass for the elements.
6. Application of law of constant proportions Other medium 4 m. The student has to choose the correct answer, and the questions deal with the importance of the atoms and molecules. As an outcome of this exercise, the student will learn about the mentioned concepts.
7. Matching atoms and symbols Other medium 3 m. An exercise consisting of choose the correct option type questions and answers which related to elements symbols.
8. Chemical formula Other medium 2 m. An exercise consisting of choose the correct answers type questions which related to chemical formulas.
9. Cations and anions Other hard 3 m. The student has to choose the correct answer, and the questions deal with the importance of the atoms and molecules. As an outcome of this exercise, the student will learn about the mentioned concepts.
10. Formula unit mass Other hard 2 m. The student has to choose the correct answer, and the questions deal with the importance of the atoms and molecules. As an outcome of this exercise, the student will learn about the mentioned concepts.