Molecular structure and chemical bond classification assembling model for chemical teaching

A molecular structure and chemical bond technology, applied in the field of teaching aids, can solve problems such as the inability to set up large-scale chemical experiments, and the inability to fully understand the microscopic state of chemical substances and chemical reactions, so as to improve the teaching effect and make the teaching intuitive and clear.

Inactive Publication Date: 2018-08-28
蚌埠市易跑道教育科技有限公司
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  • Abstract
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Problems solved by technology

Chemistry is a science that studies the structure and composition of matter and its changing laws and principles. Microscopic changes are the root of macroscopic changes. Limited by the conditions of middle school classrooms and the consideration of student safety, many schools do not ha

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  • Molecular structure and chemical bond classification assembling model for chemical teaching
  • Molecular structure and chemical bond classification assembling model for chemical teaching
  • Molecular structure and chemical bond classification assembling model for chemical teaching

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Embodiment Construction

[0016] A molecular structure and chemical bond classification assembly model for chemistry teaching, including an atomic model 1 and a chemical bond model 2. The atomic model 1 distinguishes atom types by different colors and radii. It should be noted that the present invention does not need to limit a certain color or size It must correspond to a certain atom, and it is only necessary to distinguish different atoms according to the actual situation in use; the surface of the atomic model 1 is uniformly provided with a number of jacks 11, and the bottom of the jack 11 is provided with a radius equal to that of the jack 11 The spherical cavity 12 with a radius of 1.5 times, the socket 11 is used to plug in the chemical bond model 2; the chemical bond model 2 includes a σ bond model 21 and a π bond model 22, and the σ bond model 21 and the π bond model 22 are rod-shaped Type and both ends are provided with plugs 23, the plugs 23 are used to insert the jack 11, the plug 23 is prov...

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Abstract

The present invention discloses a molecular structure and chemical bond classification assembling model for chemical teaching. The model comprises an atom model and a chemical bond model, the atom model is made of elastic rubber and is configured to differentiate the atomic species according to different colors and radiuses, and a plurality of jacks are uniformly arranged at the surface of the atom model; the chemical bond model comprises a [Sigma]-bond model and a [Pi]-bond model, the [Sigma]-bond model is made of rigid plastic materials, the [Pi]-bond model is made of elastic rubber materials, the chemical bond model is a rod-shaped configuration and two ends of the chemical bond model are provided with plugs, the middle portion of the chemical bond model are provided with breaking points, the breaking points are connected through flexible glue sleeve, and the breaking points are configured to demonstrate the broken bond re-connection process of the chemical bonds in the chemical reaction. The molecular structure and chemical bond classification assembling model for chemical teaching can be used for demonstration of a molecular structure and chemical reaction process in the chemical teaching to allow teaching to be more visual and clear, facilitate deep understanding of students to the chemical reaction principle and process and improve the teaching effect.

Description

technical field [0001] The invention relates to the field of teaching aids, in particular to a molecular structure and chemical bond classification assembly model for chemistry teaching. Background technique [0002] Chemistry is a compulsory subject for science middle school students, and it is also the basic knowledge that people must possess to understand the world, understand science, and improve their scientific literacy. Chemistry is a science that studies the structure and composition of matter and its changing laws and principles. Microscopic changes are the root of macroscopic changes. Limited by the conditions of middle school classrooms and the consideration of student safety, many schools do not have the ability to open large-scale chemistry. The ability to experiment, and even if the experimental conditions permit, students still cannot fully understand the microscopic state of chemical substances and chemical reactions, so the auxiliary demonstration of teachin...

Claims

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Application Information

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IPC IPC(8): G09B23/26
CPCG09B23/26
Inventor 路化东李秀
Owner 蚌埠市易跑道教育科技有限公司
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