This is a worksheet that has an exercise about counting protons, electrons and neutrons in atoms that are neutral.
It includes some isotopes.
It is three pages long with 22 elements in each page.
It is between 45 to 60 minutes long, class work or homework.
It includes the answers at the end.
The document is in rich text format, word document.
Email me at email@example.com to send you directly the document.
It is free for personal use only.
Science, Chemistry, Physical Science