How many electrons does nitrogen gain in order to achieve a noble-gas electron configuration?

Acontrol during an experiment. might change remains constant does not exist does change

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin