chemistry

Gu Yidong

Gu Yidong is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Gu Yidong rather than just read about it. In short: Gu Yidong (Chinese: 顾翼东; also known as Yih-Tong Ku, 1903–1996) was a Chinese chemist, considered a founder of inorganic chemistry in China. He was an academician and founding member of the Chinese Academy of Sciences.

Key takeaways

Gu Yidong belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Gu Yidong to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Gu Yidong from memory before moving on to harder problems.

Reference excerpt

Gu Yidong (Chinese: 顾翼东; also known as Yih-Tong Ku, 1903–1996) was a Chinese chemist, considered a founder of inorganic chemistry in China. He was an academician and founding member of the Chinese Academy of Sciences. Gu received his Ph.D. in organic chemistry from University of Chicago in 1935.

References

Worked examples

Example 1 — a first encounter with Gu Yidong

Start with the simplest possible case. Write down what Gu Yidong claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Gu Yidong before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Gu Yidong ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Gu Yidong

In research: Gu Yidong appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Gu Yidong in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Gu Yidong is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1903 births, 1996 deaths, 20th-century Chinese chemists, so understanding it makes those chapters shorter.
In everyday life: Look for Gu Yidong outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Gu Yidong in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Gu Yidong means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Gu Yidong out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Gu Yidong in simple terms?

Why does Gu Yidong matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Gu Yidong?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Gu Yidong.