Molecular Chemistry
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Johnbarrow
John from Bartow
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CHEMISTRY
Molecular Chemistry
Chromophore
Molecules wage invisible battles with light to create the colors we see
10 hours ago
0
What is the primary reason a chromophore appears colored to the human eye?
It emits light spontaneously without absorbing any light energy.
It absorbs specific wavelengths of visible light, causing electrons to excite and the remaining light to be reflected or transmitted.
It reflects all wavelengths of light equally, producing its color by reflection alone.
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Cyberman
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CHEMISTRY
Molecular Chemistry
Oxygen Molecule
Oxygen's many faces reveal a hidden world beyond the air we breathe
40 hours ago
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Which factor primarily determines the different allotropes of oxygen and their properties?
The temperature of the surrounding environment alone
The presence of oxygen only as a diatomic molecule (O2)
Variations in atomic arrangement and electron configuration
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Steeeve
Steeeve is an IT guru
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CHEMISTRY
Molecular Chemistry
Chromophore
Molecules wield color by shifting electrons in tiny light-absorbing regions
11 days ago
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What determines the specific color a chromophore imparts to a molecule?
The overall size of the molecule regardless of its electronic structure
The temperature of the molecule at the time it absorbs light
The energy gap between molecular orbitals that absorbs certain visible light wavelengths
B
Bonbo
Me as you
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CHEMISTRY
Molecular Chemistry
Water Molecule
Water's molecular polarity makes it Earth's indispensable solvent and life-giver
12 days ago
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How does the polarity of the water molecule contribute to its role as the universal solvent?
Polarity makes water non-reactive and unable to dissolve other substances.
Water's polarity causes it to exist only as a liquid, limiting its solvent abilities.
Polarity allows water molecules to form hydrogen bonds and dissolve many substances.
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Stevek113
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CHEMISTRY
Molecular Chemistry
Water Molecule
Water’s molecular shape unlocks its role as life’s universal solvent and climate stabilizer
13 days ago
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How does the bent shape of the water molecule influence its properties?
It creates polarity, enabling water to dissolve many substances and form hydrogen bonds.
It makes water nonpolar, preventing it from dissolving other substances.
It causes water to be a gas at room temperature instead of a liquid.
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Stevex
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CHEMISTRY
Molecular Chemistry
Water Molecule
Water's molecular shape powers life by enabling it to dissolve and sustain everything vital
9 Feb 2026
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How does the polarity of the water molecule influence its role as a universal solvent?
The polarity allows water to interact with and dissolve many different substances by surrounding and separating their molecules.
The polarity causes water molecules to repel all other substances, preventing dissolution.
Water's polarity only affects its boiling point, not its ability to dissolve substances.
B
Brewster
Brewster
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CHEMISTRY
Molecular Chemistry
Water Molecule
Water’s molecular polarity powers life’s chemistry and Earth’s unique climate
8 Feb 2026
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How does the polarity of the water molecule influence its role as a universal solvent?
Polarity allows water molecules to surround and dissolve many different substances by attracting their charged parts.
Polarity makes water molecules repel other substances, preventing dissolution.
Water’s polarity has no effect on its ability to dissolve substances; it dissolves things because it is tasteless and odorless.
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Stevek113
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CHEMISTRY
Molecular Chemistry
Nitrogen Molecule (N2)
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Nitrogen gas’s triple bond is so strong it keeps Earth’s atmosphere stable and life thriving
8 Feb 2026
Nitrogen gas’s triple bond is so strong it keeps Earth’s atmosphere stable and life thriving Misconception: Many believe nitrogen gas (N2) is inert and unimportant beyond just being 'air.' In reality, the nitrogen molecule is...
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123_Steve
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CHEMISTRY
Molecular Chemistry
Water molecule
Water molecule's polarity underpins its role as the universal solvent essential for life
31 Jan 2026
0
How does the bent shape of the water molecule contribute to its polarity?
The bent shape allows water molecules to be nonpolar and evenly distribute charge.
The bent shape prevents water molecules from forming hydrogen bonds.
The bent shape causes an uneven distribution of charge, creating partial positive and negative ends.
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