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marusya05 [52]
2 years ago
7

What is the 3rd noble gas

Chemistry
1 answer:
Pie2 years ago
7 0
<span>The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).</span>
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Helium

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An irregularly-shaped piece of copper (Cu) has a mass of 55.0 grams. What is the volume in cm³ of this piece of copper if its de
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<h2>6.14 cm³</h2>

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8 0
2 years ago
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