ชั้น ม 4/7 , 9  งานครั้งที่ 2 วิชาเคมีพื้นฐาน ว31102 ส่งงานภายในวันที่ 3 มิ.ย. 54

Worksheet 2   Questions About Atoms

                Name__________________________________  No   ___________

• Directions: Copy into journal and answer (use your book if needed).
1. What are the subatomic particles of an atom?
2. Where are the protons located in an atom?
3. What is the lightest particle?
4. What electrical charge do protons have?
5. Where are neutrons located in an atom?
6. What electrical charge do neutrons have?
7. Where are electrons located in an atom?
8. What electrical charge do electrons have?
9. How does the number of protons affect the properties of an atom?
10. Who discovered the neutron?