The correct answer is C) Raising the temperature increases reaction rate by increasing the energy of the reacting atoms/ions/molecules and increases the number of collisions.
Answer:
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Your answer should be:
<em>1. No </em>
<em>2. Yes</em>
<em>3. No</em>
<em>4. Yes</em>
<em>5. No</em>
Explanation:
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The noble gases are relatively unreactive because they have a stable octet of valence electrons.
Thus, they do not tend to undergo reactions in which they will gain or lose valence electrons,
However, <em>only He, Ne, and Ar are inert</em>. Kr and Xe combine with other highly reactive elements to form stable compounds.
B is gas
The chemical element krypton is classed as a noble gas and a nonmetal.
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