Red, green and blue light all have the same frequency and wavelength. True or false

Find the mass in grams of 1.37x1020 particles of h3po4

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.