Chapter 5
5.1
Questions Chapter 5 _ Longman Physics 11-14
1) What is an atom
2) Name particles in an atom and their charge.
3) Why an atom is electrically neutral?
4) Which particle ofa atom can be moved? Why?
5) How can have a plastic ruler with positive charge?
6) How can have a plastic ruler with negative charge?
فایل گزارش