Physics and Chemistry
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B
Bonbo
Me as you
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SCIENCE
Physics and Chemistry
Crystallography
Crystallography reveals the hidden atomic architecture shaping our world’s materials
9 days ago
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Why is crystallography essential for understanding material properties?
Because it only studies the external shapes of crystals without atomic detail
Because it focuses solely on gemstones and decorative crystals
Because it reveals the atomic arrangement that determines a material's characteristics
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JOHN_BASH
Expert in mushrooms and fungi
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Physics and Chemistry
Spectrometer
Spectrometers reveal the universe’s secrets by decoding light’s hidden signatures
12 days ago
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What was the key turning point that expanded the use of spectrometers beyond splitting visible light into colors?
The invention of the telescope for observing distant stars
The discovery that white light cannot be separated into colors
The development of mass spectrometers that measure masses of atoms and molecules
J
JOHN_BASH
Expert in mushrooms and fungi
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Physics and Chemistry
X-ray Crystallography
Invisible atomic blueprints unveiled by X-ray beams reveal nature's hidden order
12 days ago
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What is the primary reason X-ray crystallography can determine atomic positions within a crystal?
Because the crystal diffracts X-rays in patterns that reflect its atomic arrangement
Because X-rays pass through the crystal without any change, showing atom locations directly
Because the crystal emits visible light that maps the atoms inside
S
Stevex
Love life
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Physics and Chemistry
Marie Curie
Marie Curie's pioneering research on radioactivity transformed modern physics and chemistry
11 Jan 2026
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What was the significance of Marie Curie's discovery of polonium and radium in the context of atomic theory?
They provided evidence that atoms could change and emit energy, leading to the concept of radioactivity.
They were the first synthetic elements created in a laboratory setting.
They disproved the existence of subatomic particles within atoms.
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Steve_Alias
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Physics and Chemistry
Marie Curie's Discoveries
Marie Curie's pioneering discoveries in radioactivity transformed science and medicine
10 Jan 2026
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What was the significance of Marie Curie's discovery of radium and polonium in the context of atomic science?
They provided the first evidence of elements that emitted radiation spontaneously, leading to the concept of radioactivity.
They were the first synthetic elements created in a laboratory.
They disproved the existence of atomic particles like electrons and protons.
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