A compound has hydrogen ion and nitrate ion in solutionstate what is the name of that compound

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?

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

What shape would a molecule with two bound groups and two lone pairs have?