Exam (elaborations)
AQA GCSE Chemistry - Paper 1
- Course
- Institution
What is the charge of a proton? - +1 What is the charge of a neutron? - 0 What is the charge of an electron? - -1 What is the relative mass of a proton? - 1 What is the relative mass of a neutron? - 1 What is the relative mass of an electron? - Very small How many types of atoms do elements c...
[Show more]