Calculate the molarity of the following solution: 1.0 mole of KCl in .75 L of solution. 1.3 M
2.0 M
0.750 M
99 M

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

What term describes technology that operates on an atomic level

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.