Objects in image: Book
Text visible in image: Enoray, Atomic, The, Story, very, CHAPTER, VI, isotope, nuclei,, EXPERIMENTS, IN, RADIOACTIVITY, king, number, very, interesting, There, perform, materials, apparatus, radioactivity, radioactive, materials, small, that, included, are, amount, might, radium, radioactivity, harmful., The, dangerous., Uranium, relatively, course,, entirely, point, handle, learned, earlier, chapters, radioactive, materials,, during, natural, disintegration,, give, course, known, gamma., emanations., alpha, particles, nuclei, of, and, atoms, and, are,, there-, fore,, particles, and, and, hence, neutrons., Alpha, particles, have, relatively, types, electrons,, particles, having, very, weight, negative, rays, similar, X-rays, of, shorter, greater, penetrating, power., is, length, and, hence, rays, which, burns
Question: what chapter is this?
Answers: vi, 4, chapter 4, vi, v1, vi, 6, vi, 6, vi