The answer is Rb.....................................
Answer:
335,000,000,000,000 Hz
Explanation:
3.35 x 10^14 is just scientific notation. This is a way to make a really big number small to write and easier to understand. The exponent on the 10 represents how many times you move the decimal to the right. If the exponent is negative you should move the decimal to the left. Each time the decimal is moved, and there is no pre-existing number, you need to add a zero.
3.35 x 10^14 is equal to
335,000,000,000,000
In the reduction-oxidation reaction given, Cu is reduced because it gained 2 electrons, on the other hand H2 is oxidized because it gained one electron. I hope this helps.
Answer:
No
Explanation:
Dissolving sugar in water is an example of a physical change.
A chemical change produces new chemical products. In order for sugar in water to be a chemical change, something new would need to result. If you evaporate the water from a sugar-water solution, you're left with sugar.
Answer:
b cation
Explanation:
that plus means it is positively charged. ions that are positively charged are cations. negatively charged ions are called anions
