Which two groups of elements in the periodic table are the most reactive?
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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The Halogens and the Alkali Metals.
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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.
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alkali metals and the halogens
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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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