Amolecule is a(n) - a. element that physically combines with another element. b. particle composed of two or more atoms bonded together covalently. c. element that isn't bonded to another element.

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

In salt water solution, the salt is the blank

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.