A. A sample of pure water, whatever the source always containsbymass of oxygen and 11.1 % by mass ofhydrogen.a. 88.8 b. 18 c. 80 d. 16

A. A sample of pure water, whatever the source always containsbymas

1.	A. A sample of pure water, whatever the source always containsbymass of oxygen and 11.1 % by mass ofhydrogen.a. 88.8 b. 18 c. 80 d. 16
Answer» EXPLANATION:'The number of waves made by a bohr electron in one complete revolution in 3rd orbit?' I don't want the ANSWER..... Can anyone please explain this question to me and tell me that does wave in this question MEAN SPECTRAL LINES?