The options are labelled as:
1 2
3 4
5 6
7 8
Protons: 1, 5, 7
Neutrons: 2, 8
Electron: 3, 4, 6
The 5 main branches of chemistry are physics, analytical, biochemistry, organic chemistry, and inorganic chemistry.
Hydrogen + oxygen --> water
2,1g + 16,8g = x
x = 18,9g
<span>the solvent, hope this helps</span>
