Orbital periodic table orbital

摘要

this is a list of the periodic law of elements in the chart in the chart's top with a certain interval with the dog in the hole, and a chart in the link table is inserted into and fixed to a table, easy to learn the second. minutes to four equal divisions, a cross section of the can and a can is convenient to carry, and the elements of the periodic table of the elements, each of the photos can not add, because the learners learning efficiency by about uc6d0uc18cuc8fcuae30uc728ud45c chart.