What type of change goes on inside when a glow stick is activated? Chemical
Physical
Both

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

How many neutrons does a atom of cobalt have?

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent