What type of energy is released when an electron falls from n=4 to n=1? 1.UV 2.IR 3.Visible Light 4.None of the above.​

Which of the following is not true about the atomic model of substances?

Which of the following isotopes has the same number of neutrons as phosphorus-31?

Two moles of potassium chloride and three moles of oxygen are produced from the decomposition of two moles of potassium chlorate, kcos3(s). write the balanced equation. how many moles of oxygen are produced from 12 moles of potassium chlorate