Answer:
In order (blanks):
1. Atoms, subatomic, proton, neutron, electron, electron
2. same, different
3. A
4. B
5. Diagram B features compounds, while diagram C features diatomic molecules of an element.
Step-by-step explanation:
These words and answers may vary depending on your course or teacher, but I tried my best on filling in the blanks for you :)
- and yes, "electron" is indeed filled in twice for number 1.