What is the pH of a 4.7 x 10-9 M HCl solution? * 4.67

8.33

11.21

2.93​

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

What are the first three quantum numbers for the electrons located in subshell 2s?

Nan element’s square on the periodic table, the number with the greatest numerical value represents the