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AlexFokin [52]
3 years ago
14

Which element is a halogen and has a larger average atomic mass than arsenic (As)?

Chemistry
2 answers:
miss Akunina [59]3 years ago
8 0

Answer:

iodineeeeee you funny bunny

Explanation:

olganol [36]3 years ago
3 0
Answer:
              Iodine (I)

Explanation:
                    The atomic mass of Arsenic (As) is 74.92 amu. Also, we know that Halogen Group consists of following elements.

           Fluorine, Chlorine, Bromine, Iodine, Astatine and Tennessine

And in given four options only Chlorine and Iodine belongs to halogen family. And we know that the atomic mass of chlorine is 35.45 amu which is less than that of Arsenic, therefore Iodine with atomic mass of 126.90 amu is the correct answer.
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Answer:

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Explanation:

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In this case, we need to keep in mind that exothermic reactions release heat, so they increase the temperature as the final energy is less than the initial energy; in contrast, endothermic reactions absorb heat, so they decrease the temperature as the final energy is greater than the initial energy.

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2 years ago
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