Answer: The energy of the wave increases by a factor of 9
Explanation:
3 x 3 = 9
Nuclear decay is a natural phenomena. Natural uranium 238/235 decays because its nucleus is unstable, potassium 40, carbon 14, they are all naturally occurring and they decay on their own. Others are man made and are very useful
Answer:
If the pH of a solution is less than 7, the solution is called acidic; if the pH is about 7, the solution is neutral; if the pH is greater than 7, the solution is is called basic. In an acidic solution, then, the concentration of hydrogen ions is greater than the concentration of hydroxide ions.
Explanation:
Bromine. This is because they are in the same grp. Elements in the same grp have similar chemical properties.
Because it is a pure substance, and it will not change because it has nothing mixed with it. When things get mixed, amounts vary, but it's on its own so everything stays the same.