TH256A3 - Teaching materials for chemistry (periodic table and properties of the elements according to the current group) - Google Patents

Abstract

Teaching materials for chemistry (periodic table and properties of the elements according to the current group) according to This fabrication has two structural features: the external structure and the internal structure. The external structural part consists of two white plastic panels on the top, 18 vertical rectangular perforations, and two horizontally perforated openings, the internal structural part consists of bars. 18 vertical and 2 horizontal hollow sections with rectangular black rubber stoppers. Drill a hole in the center, covering the end of the 18 aluminum rods vertically and 2 horizontally, each with four sides. And there are hollow cylindrical aluminum rods plugged into the rubber stoppers that cover the end of the aluminum rods and each stick is inserted. With a wooden hole drilled underneath the top aluminum spool with a cork inserted in the hole for turning the side to put in place Hold on to hold to move around as needed.

Claims (1)

1. Chemistry teaching materials (periodic table and properties of the elements according to the current group period) contains components that are External and internal structures The external structure consists of one front white plastic sheet punched into 18 vertical rectangular openings and one white plastic front punched into two horizontal rectangular openings and 1 white plastic back. Sheet used to conceal the internal structure with the form The invention thinks on the front vertical plastic sheet, which is the insertion plate, explaining the knowledge associated with the table. Elements and properties of the group periodic elements today are made of 3-position aluminum metal and the plate storage is described. Knowledge related to periodic table according to the posterior group, another two positions attached on the plastic back made. With aluminum as well The internal structure consists of 18 vertical hollow rectangular aluminum bars and 2 horizontal bars with a thick black rectangular tube drilled in the center, covering the end of the 18 aluminum rods vertically and 2 horizontally. Each log has four sides and has a hollow, cylindrical aluminum core that is attached to a fade stopper that covers the head. At the end of the aluminum bar, and each bar is inserted into the drilled wood hole underneath the hollow cylindrical aluminum core. The top has a cork with a hole for turning.