Edexcel OLevel Chemistry revision notes

Your Progress: 22 of 227 (10%)

Lesson

Lesson-3.1.4- know what is meant by the terms atomic number, mass number, isotopes and relative atomic mass (Ar).

No content available for this lesson.

Lesson-3.1.3- know the structure of an atom in terms of the positions, relative masses and relative charges of sub-atomic particles.Previous Lesson-3.1.5- be able to calculate the relative atomic mass of an element (Ar) from isotopic abundances.Next