Chemical model

A model and chemical technology, applied in the field of chemical models of atoms or molecules, which can solve problems such as the inability to intuitively understand the formation process of covalent bonds, and the lack of molecular models to reflect the number of nuclei and outermost electrons.

Inactive Publication Date: 2015-11-25
林劲松
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention solves the technical problems that the general teaching model in the prior art does not effectively solve the technical problems that the formation process of the covalent bond cannot be intuitively understood, the number of molecular models is small, and the relationship between the atomic nucleus and the number of electrons in the outermost layer cannot be reflected, and a chemical model is provided. Structural

Method used

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Embodiment 1

[0031] Example 1: Combination figure 1 , A chemical model, including a central sphere 1 and an extended sphere 2. The extended sphere 2 is composed of a large hemisphere 3 and a small hemisphere 4. The circular planes of the large hemisphere 3 and the small hemisphere 4 are each provided with a layer of magnetic material , The central sphere 1 and the large hemisphere 3 are connected by an elastic connecting rod 5, both ends of the elastic connecting rod 5 are provided with a connector 7 which is threadedly connected with the large hemisphere 3, and the connecting head 7 is threadedly connected with the central sphere 1. This model can be used to represent the hydrogen atom, lithium atom, sodium atom and other atoms and their outermost electrons.

Embodiment 2

[0032] Embodiment 2: Combination figure 2 , A chemical model, including a central sphere 1 and four extended spheres 2, each extended sphere 2 is composed of a large hemisphere 3 and a small hemisphere 4, the large hemisphere 3 and the small hemisphere 4 are set on the circular plane There is a layer of magnetic material. The center sphere 1 and the large hemisphere 3 are both connected by an elastic connecting rod 5. Both ends of the elastic connecting rod 5 are provided with a connector 7 which is an interference fit with the large hemisphere 3, and the connector 7 is connected to the center. Sphere 1 has an interference fit. In the figure, the central sphere with the letter C represents the carbon nucleus, and this model represents the model of the carbon atom and its outermost electron.

Embodiment 3

[0033] Embodiment 3: Combination image 3 , A chemical model, including a central sphere 1 and eight extended spheres 2, each extended sphere 2 is composed of a large hemisphere 3 and a small hemisphere 4, the large hemisphere 3 and the small hemisphere 4 are set on the circular plane There is a layer of magnetic material. The center sphere 1 and the large hemisphere 3 are both connected by an elastic connecting rod 5. Both ends of the elastic connecting rod 5 are provided with a connector 7 which is an interference fit with the large hemisphere 3, and the connector 7 is connected to the center. Sphere 1 has an interference fit. In the figure, the central sphere with the letter Ne represents the neon nucleus, and this model represents the model of the neon atom and its outermost electrons.

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Abstract

The invention discloses a chemical model comprising at least one central sphere and at least one extended sphere. The chemical model is characterized in that the extended sphere is composed of a large hemisphere and a small hemisphere; the circular surface of the large hemisphere and the circular surface of the small hemisphere are both equipped with magnetic material layers; the central sphere is connected with the large hemisphere through an elastic connecting rod; each central sphere is provided with at most eight large hemispheres; and the chemical model is just provided with one kind of the central sphere or the chemical model is provided with two or more kinds of the central spheres, wherein at least one large hemisphere on each central sphere and the large hemisphere on another central sphere are attracted so as to form a shared dual-hemisphere structure. By means of the structural innovation of the central sphere, the extended sphere, and the elastic connecting rod, the chemical model may reflect the saturation degree of the outermost electrons of an atomic nucleus, demonstrate a forming process of a covalent bond, and form a share electron pair model and multiple molecular models.

Description

technical field [0001] The invention relates to the technical field of teaching models, in particular to a chemical model of atoms or molecules. Background technique [0002] In the chemistry classroom, the teaching of atoms or molecules often requires the assistance of models in order to intuitively explain the structure and characteristics of atoms or molecules. The number of electrons outside the nucleus of an atom, especially the number of electrons in the outermost shell of an atom, is an important basis for the chemical properties of the element. However, many atomic or molecular models do not reflect the number of electrons in the outermost shell of the atom, and there are problems such as inability to intuitively understand the chemical properties of elements and how to form covalent bonds between atoms. However, the general chemical model structures in the prior art do not effectively solve the above problems. For example, the Chinese patent authorization announce...

Claims

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Application Information

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IPC IPC(8): G09B23/26
Inventor 林劲松
Owner 林劲松
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