An element with 10 protons, 10 electrons, and an atomic mass of 24.589 has how many neutrons

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.

they dont have any evidence

"it built up in the atmosphere"

i think thats it, idk, i tried looking for this exact q& a for grad. and idk if i got this question right or sorry if im wrong