Periodic Chart, Mounted
Mounted with reinforcing strips top and bottom, this 42x58" chart is beautifully illustrated in 4 colors. The background is a pleasant buff color and the square panels are white. All markings are prominent and the element names are large enough to be seen by the students. It explains and diagrams radioactive isotopes, solar energy, hydrogen bomb reaction, atom bomb fission along with typical atomic structures, protons, neutrons and nuclear principles.