What does the column number of the periodic table tell you about the nonmetal elements ? a. the number of protons in its outermost shell b. the number of electrons in its outermost shell c. the number of outer shells in the atom d. the number of bonds possible in the outermost shell

Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

What maintain homeostasis when a persons internal body temperature is 97.5°f