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What is the biggest mystery in chemistry?

The biggest mysteries in chemistry often center on the origin of life (abiogenesis), explaining complex phenomena like the Mpemba effect (hot water freezing faster than cold), understanding fundamental interactions like the matter-antimatter asymmetry, and achieving breakthroughs in areas like room-temperature superconductivity, all while acknowledging that many everyday chemical processes rely on approximations rather than perfect understanding.
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What is the mystery of chemistry?

One of the enduring mysteries in chemistry involves the behaviour of complex molecules. While the structures of simple molecules like water or methane are well understood, predicting the properties and reactions of larger, more intricate molecules remain a challenge.
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What is the greatest mystery in science?

Here are 10 mysteries that science has yet to unravel.
  • How did life on Earth begin? ...
  • What is consciousness? ...
  • What is inside a black hole? ...
  • What went bang, and was there anything before? ...
  • Is there a theory of everything? ...
  • Is time travel possible? ...
  • How do we provide for a growing human population? ...
  • How will the universe end?
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What is the hardest topic in chemistry GCSE?

Balancing chemical equations is one of the most common challenges in GCSE Chemistry. We teach simple, step-by-step methods to identify reactants and products, balance atoms, and apply these skills to new reactions. Practising these techniques builds confidence and makes chemical maths less intimidating.
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What is the biggest unknown in science?

Matter–antimatter asymmetry Theoretical models suggest that the early universe should have produced equal amounts of matter and antimatter. However, observations indicate no significant primordial antimatter. Understanding the mechanisms that led to this asymmetry is a major unsolved problem in physics.
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The Unexplained Mysteries of Chemistry

What's the most unbelievable science fact?

Top 15 Amazing Facts about Science
  1. The Human Stomach Can Dissolve Razor Blades. ...
  2. Babies Have More Bone than Adults. ...
  3. The Human Body Has more Bacteria than Human Cells. ...
  4. A Day on Venus is Longer than a Year on Venus. ...
  5. Lightning is Hotter than the Surface of the Sun. ...
  6. Bananas Are Radioactive.
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Why is 95% of the universe invisible?

About 95% of the universe is invisible because it's made of dark matter (around 27%) and dark energy (around 68%), which don't emit, reflect, or block light, unlike the ~5% of "normal" matter (stars, planets, us) that makes up everything we can see. We know these invisible components exist due to their gravitational effects, such as galaxies rotating too fast and the accelerating expansion of the universe, but their fundamental nature remains a mystery. 
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Has anyone got 100% in GCSE?

i actually did get 100% on my english lit paper 1 exam (AQA) - 64/64, macbeth and a christmas carol. on my results sheet, i had no idea what my individual marks were for each paper. i only got my overall mark and grade.
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What's the biggest mystery ever?

There's no single "greatest mystery," but top contenders often include existential questions like consciousness, historical puzzles like Cleopatra's Tomb or the Princes in the Tower, and baffling events like the Mary Celeste abandonment or the Dyatlov Pass incident, with recent ones like the disappearance of MH370 also topping lists, all representing deep human curiosity about the unknown.
 
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What are the 7 biggest unanswered questions in physics?

The 7 biggest unanswered questions in physics often include unifying gravity with quantum mechanics (Quantum Gravity), explaining Dark Matter and Dark Energy, understanding the Matter-Antimatter Asymmetry, the nature of Time's direction (Arrow of Time), what happened before the Big Bang, the origin of particle Generations, and resolving issues like the Hierarchy Problem (why gravity is so weak) or the proton's size. These mysteries challenge our fundamental understanding of the universe's building blocks and evolution, pointing to gaps in current theories like General Relativity and the Standard Model. 
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What is the most toughest topic in chemistry?

The hardest topic is probably molecular orbital theory and hybridization of orbitals. This general topic takes maturity in chemistry that most undergraduates don't have. Just like in anything else in life, it's simple arithmetic, elementary algebra, logarithms and exponential functions, and trigonometry, in that order.
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What is known unknown in chemistry?

For example, we refer to a compound suspected to be present in a mixture whose identity is to be confirmed by mass spectrometric analyses as a “known known.” A “known unknown” is a compound that is unknown to the investigator, but is cited in the chemical literature or mass spectrometry reference databases.
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What are 5 fun facts about chemistry?

17 Amazing Chemistry Facts that will Blow Your Mind
  • Lightning strikes produce Ozone, hence the characteristic smell after lightning storms. ...
  • The only two non-silvery metals are gold and copper. ...
  • Water expands when freezes, unlike other substances. ...
  • Glass is actually a liquid, it just flows very, very slowly.
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Is 80% a 9 in GCSE?

In Maths, 80% would get you a grade 9 with Edexcel and Eduqas. It's probably a grade 8 with AQA and just on the cusp with OCR. For English Language, 80% is a grade 9 for AQA and Eduqas, but a grade 8 for Edexcel and OCR.
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Is a 9 top 5%?

Students who perform exceptionally well receive a 9, usually the top 5% of the cohort.
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Is 66% a pass in GCSE?

Ofqual's indicative grade boundaries (pages 13 - 15)

According to this illustration, grade 4 requires 56 - 66 per cent, grade 5 requires 67 - 77 per cent and grade 6 requires 78 - 88 per cent. ranges may seem extraordinarily narrow and demanding, but they are supported by other evidence discussed below.
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Is an 8 an a * GCSE?

In the current grading system, a score of 9, 8 and 7 are equivalent to an A* and A. A 9 is for a student who has performed exceptionally well. A grade of 4 is the equivalent of a C grade, known as a standard pass. A grade of 5 is also a C grade but is known as a strong pass.
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What did Emma Watson get in GCSEs?

After the Dragon School, Watson moved on to Headington School, Oxford. While on film sets, she and her castmates were tutored for up to five hours a day. In June 2006, she took GCSE school examinations in ten subjects, achieving eight A* and two A grades.
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How rare is all 9s GCSE?

By taking a weighted average (weights in column B) of the values in column F we can estimate that less than 0.03 per cent of candidates (that is, less than 3 in 10,000) would be expected to achieve straight grade 9s across 10 gCSEs.
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Are we 100% sure that black holes exist?

We are extremely confident black holes exist, with overwhelming observational evidence like gravitational waves and star orbits around invisible massive objects, but in science, "100% proof" doesn't exist; rather, we have models (General Relativity) that perfectly predict phenomena that we observe, and there's no plausible alternative explanation, though theories about the singularity's interior remain speculative.
 
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What state is 99.9% of the universe in?

About 99.9% of the visible or ordinary matter in the universe is in the state of plasma, the fourth state of matter, existing in stars, nebulae, and the vast intergalactic medium, making it the most abundant form of matter, though much of the universe's total mass/energy (dark matter/energy) is still a mystery. Plasma is like a superheated gas with ionized atoms, forming electrically charged particles that emit light, seen in phenomena like lightning, the Sun, and auroras. 
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Is space 100% empty?

No, space is not 100% empty; it's a near-perfect vacuum but contains the interstellar medium, radiation, magnetic fields, neutrinos, dark matter, dark energy, and fluctuating quantum fields with virtual particles, meaning it's filled with particles and energy, though at extremely low densities compared to Earth.
 
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