Chemistry Middle School

Explain how thinking about chemicals at the atomic and molecular scale can help to explain observable phenomena, such as the changes you see when you etch copper.

Answers

Answer 1

Not a straight up answer, but moreover to help you get it: (Circuit Boards)

Aside from the tasks it performs, perhaps the most important function of a circuit board is providing a way to integrate the electronics for a device in a compact space. A PCB allows components to be correctly connected to a power source while being safely insulated. Also, circuit boards are less expensive than other options because they can be designed with digital design tools and manufactured in high volume using factory automation.

Partially straight up, helping you  get the answer: (Copper Chloride)

Copper(II) chloride is the chemical compound with the chemical formula CuCl 2. This is a light brown solid, which slowly absorbs moisture to form a blue-green dihydrate.

Answer 2

Etching helps us to see the structure of the atoms of copper.

What is etching?

The term etching refers to the process by which we expose the inner structure of copper. It is usually done electrically or by the use of an acid. The surface of the copper is removed and the inner structure of the copper is shown.

As such, when you etch copper, you can see the inner structure such as the arrangement of the atoms of copper and how they fit together.

As such looking through the etched copper would help you to appreciate that matter is composed of atoms.

Learn more about etching of copper:https://brainly.com/question/28190564

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