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How many protons are present in 20.02 mol of neon (Ne)?
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2. Atoms & Elements
The Atom
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How does the name 'mercury' provide a clue to one of the element's defining characteristics?
A
It suggests that mercury is highly reactive with oxygen, forming mercuric oxide.
B
It indicates that mercury is a noble gas, named after the planet Mercury.
C
It implies that mercury is a solid metal with a silvery appearance.
D
It refers to the element's liquid state at room temperature, similar to the swift-moving Roman god Mercury.
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Understand that the name 'mercury' is derived from the Roman god Mercury, who was known for his speed and mobility.
Recognize that this naming is a clue to the element's unique physical property among metals: it is liquid at room temperature.
Recall that most metals are solid at room temperature, but mercury is an exception, existing as a silvery liquid.
Connect the idea of the swift-moving god Mercury to the fluid, mobile nature of the element mercury in its liquid state.
Conclude that the name 'mercury' hints at the element's defining characteristic of being a liquid metal at room temperature.
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