1. A
2. base
3. strong ones have more h30 weak ones have more OH
4. strong ones have more OH weak ones have more H30
5. <span>One of the main differences between acids and bases is that acids have a pH that is less than 7 and bases have a pH that is greater than 7. When dissolved in water, acids are substances that will cause the concentration of hydrogen ions (H+) to increase. Bases, when dissolved in water, will instead cause the number of hydroxide ions (OH-) to increase.6.Idk </span>
Answer: There are 4.8 x 1024 hydrogen atoms in 2.0 moles of CH4
11. I would say physical because the color of the item is changed and the texture and density is changed aswell.
O2 is an element As it contains just one kind of atom, O2 is an element,
