Question

heya guys please help me
Don't spam
You have to answer all questions​

Answer 1

1. Gaseous
2. Molecules
3. metallic,non metallic
4. Proton
5. NaHCo3
6. True
7. True
8. False,2
9. True
10. True
11. Sponge
12. Calcium oxide
13. Filtration
14. James Chadwick
15. Equals to the atomic number
16. OH,1
17. SiO2
18. Electronic affinity
19. 15is the answer
20. Bile acid