True or false The atomic number of an element can be used to find the number of protons and neutrons in a neutral atom

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

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

What human activity increases beach erosion?