Which two groups of elements in the periodic table are the most reactive?

Answer 1

The Halogens and the Alkali Metals.

Answer 2

1. alkali metals and halogens
2. They have the same number of valence electrons.
3. They usually have high melting points.
4. low or no reactivity
5. 17
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Answer 3

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Answer 5

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Answer 6

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Answer 7

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Answer 8

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Answer 9

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Answer 10

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Answer 11

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Answer 12

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Answer 13

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Answer 14

alkali metals and the halogens

Answer 15

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Answer 16

I did the quiz myself the answers are:

1. C alkali metals and halogens
2. A They have the same number of valence electrons.
3. B They usually have high melting points.
4. B low or no reactivity
5. A 17 - halogens

These are the 2022 answers.

Answer 17

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Answer 18

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Answer 19

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Answer 20

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Answer 21

1. alkali metals and halogens.
2. They have the same number of valence electrons.
3. They usually have high melting points.
4. Low or no reactivity.
5. 17.

Answer 22

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Answer 26

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Answer 27

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Answer 28

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