chemistry

Polly Arnold

Polly Arnold 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 Polly Arnold rather than just read about it. In short: Polly Louise Arnold (born 24 July 1972) is a British chemist who is director of the chemical sciences division at Lawrence Berkeley National Laboratory and professor of chemistry at the University of California, Berkeley. She previously held the Crum Brown chair in the School of Chemistry, University of Edinburgh from 2007 to 2019 and an Engineering and Physical Sciences Research Council (EPSRC) career fellowship.

Key takeaways

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

Reference excerpt

Polly Louise Arnold (born 24 July 1972) is a British chemist who is director of the chemical sciences division at Lawrence Berkeley National Laboratory and professor of chemistry at the University of California, Berkeley. She previously held the Crum Brown chair in the School of Chemistry, University of Edinburgh from 2007 to 2019 and an Engineering and Physical Sciences Research Council (EPSRC) career fellowship.

Education Arnold was educated at Notting Hill and Ealing High School and Westminster School. She studied chemistry at Brasenose College, Oxford (BA) and worked with Dermot O'Hare and Matthew Rosseinsky. She moved to the University of Sussex for postgraduate research where her Doctor of Philosophy degree was supervised by Geoffrey Cloke.

Research and career Arnold's research focuses on exploratory synthetic chemistry, particularly in making complexes that exhibit unusual structure-bonding in early transition metal, and lanthanide and actinide chemistry. Such knowledge underpins the discovery of catalysts and our understanding of the behaviour of nuclear waste.

Arnold was a Fulbright Program postdoctoral fellow at Massachusetts Institute of Technology (MIT) where she worked with Christopher C. Cummins before returning to the UK to a lectureship in 1999. Her research is focused on the design and synthesis of highly reactive f-block complexes that can activate inert small molecules such as carbon oxides, dinitrogen, and hydrocarbons, and that can provide fundamental information on structure and bonding at the bottom of the periodic table. Arnold has given lectures around the world, advised the government and industry, and appears regularly on mainstream media and social media to discuss the importance and benefits of diversity in the science, technology, engineering, and mathematics (STEM) workforce.

Awards and honours Arnold was awarded the Rosalind Franklin Award in 2012 for her scientific achievements, and her suitability as a role model and proposal to promote women in science, technology, engineering, and mathematics (STEM). This award was used to fund the creation of the documentary film A Chemical Imbalance, where she is the executive producer. That same year, she was also awarded the Royal Society of Chemistry's Corday-Morgan Prize for her "outstanding contributions to the application of organometallic uranium chemistry to small molecule activation", and elected a Fellow of the Royal Society of Edinburgh (FRSE). In 2015, Arnold was awarded an Engineering and Physical Sciences Suffrage Science award. She was appointed Officer of the Order of the British Empire (OBE) in the 2017 Birthday Honours for services to chemistry and women in STEM. In 2018, she was awarded the Royal Society of Chemistry (RSC) Sir Geoffrey Wilkinson award for her work on transuranic organometallic chemistry, and is so far, the only woman to have been awarded this award since its inception in 1999. She was elected a Fellow of the Royal Society (FRS) in 2018 for substantial contributions to the improvement of natural knowledge. She was elected a Fellow of the American Academy of Arts and Sciences in 2024.

References

Illustrations

Worked examples

Example 1 — a first encounter with Polly Arnold

Start with the simplest possible case. Write down what Polly Arnold 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 Polly Arnold 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 Polly Arnold 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 Polly Arnold

In research: Polly Arnold 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 Polly Arnold 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: Polly Arnold is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1972 births, 21st-century British chemists, 21st-century British women scientists, so understanding it makes those chapters shorter.
In everyday life: Look for Polly Arnold 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 Polly Arnold in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Polly Arnold 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 Polly Arnold out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Polly Arnold in simple terms?

Why does Polly Arnold 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 Polly Arnold?

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 Polly Arnold.