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3. Compare the properties of elements in groups 17 and group 18. Make sure to cover the following points:
a. What type of elements are found in each group?
b. Describe the reactivity of the elements in each group
c. Are the properties of both groups of elements different or similar?
d. Explain why the two groups of elements have been placed side by side.
i want the answer of D pls

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Answer:

C

Explanation:

Answer:

3.  Compare the properties of elements in groups 17 and group 18. Make sure to cover the following points:

a. What type of elements are found in each group?

Explanation:

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