Which change can be easily be reversed? question 23 options: both a physical and chemical change chemical change physical change
1 answer:
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<h2>Answer: C) 1s²2s²2p⁶</h2><h3>Explanation:</h3>
A noble gas has 8 electrons between the p and s orbitals of the outer shell. Helium is the exception because it only has two electrons.
<h3> ∴ 1s²2s²2p⁶ is the noble gas (neon)</h3>