Answer:
this means try your best until you succeed
Explanation:
Answer:
Inert gases or noble gases
Explanation:
These gases have 8 outer shells meaning their full so they won't allow chemical reactions therefore providing an inert environment hence the name inert gas.
Answer:
Carbon dioxide is a gas at room temperature
7. Average Atomic Mass
8. Atomic Number
9. Isotopes
10.Ions
11. Mass number
