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N76 [4]
3 years ago
13

Noble gases are... a. Very reactive, b.metals, c.radioactive, or d.unreactive

Chemistry
1 answer:
Andrews [41]3 years ago
4 0

Answer:

d. stable

Explanation:

Noble gases have 8 valence electrons which makes them the least reactive.

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<h3><u>Answer;</u></h3>

<em><u> = 48,828.125 mi/hr²</u></em>

<h3><u>Explanation and solution</u>;</h3>
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<em>V = 125 mi/h and r = 0.320 miles </em>

  • <em>Thus; centripetal acceleration = 125²/0.320 </em>

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A ground state electron configuration follows the Aufbau Principle that states that electrons should be filled up in orbitals in increasing energy. In the given sequences, the right configuration is <span>1s2 2s2 2p6 3s2 3p6 4s2 3d8. The choice that conforms to this sequence is D. In 2) the possible confirmation that follows Aufbau's principle is D. </span>
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