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The most reactive element of part of Group 1 is the one with the highest atomic number. If hydrogen is considered to be in period 1, then the answer to the question is sodium. If instead hydrogen is considered to be in a 0th period, then the answer to the question is potassium.

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11y ago

Group 1 or alkali metals (for metals)

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Group 17 or halogens (for non metals)

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Q: Out of periods 1-3 out of group 1 which is the most reactive?
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Related questions

Would a metal in Group 13 be more or less reactive that a metal in Group 1?

less reactive.beacuse group-1 elements are the most reactive elements.


Would a metal in group 13 be more or less reactive than in group one?

Group 1 will be more reactive than group 13 elements


Would a metal in group 13 be more reactive than a metal in group one?

Group 1 will be more reactive than group 13 elements


Would a metal in group 13 be more or less reactive than a metal in a group 1?

The metals in group 13 would be less reactive than the metals in group 1 because the metals in group 1 are closest to the left of the Periodic Table. And any thing to the left are more reactive.


Would a metal in group 13 be more or less reactive than a metal in group 12?

Zn is more reactive than Ga, Cd is more reactive than In; but Tl is more reactive than Hg.


Would a metal in group 13 be more or less reactive than a metal in group 1 in the periodic table?

It would be less reactive because the effective nuclear charge of the alkali-metals is lower than that of group 13. The result is that the valence electron is easier to attract/ionize to form bonds.


Is thallium unreactive?

Thallium is not as reactive as the lighter memebers of group 13. It dissolves slowly in acids.


In group 13 the boron group the most common element is?

in group 13, the boron group, the most common element is


What is the boron family classified as?

The Boron family is classified as Metals andMetalloids. They are Group 13 and have 3 valence electrons. The Boron family are solids at room temperature and they are reactive. But, the most reactive are the Alkali Metals. They have a violent reaction with water. Hope this helps! :)


Would a metal in group 13 be more or less reactive than the metal in group 1?

The metals in group 13 would be less reactive than the metals in group 1 because the metals in group 1 are closest to the left of the periodic table. And any thing to the left are more reactive.


What does the groups in the periodic table of elements describe?

it describes what are metals, non-metals and what are metalloids (semi-metals) group 1: Alkali Metals (reactive) group 2: Alkaline earth metals (reactive) group 3-12: transition metals group 13-17: non metals group 17: non metal, BUT ALSO a halogen group 18: Noble gases (inert - non reactive) Hope i helped you out, :) Alana


What is the pattern of reactivity observed in the non-metal elements in groups 13-17 of the periodic table?

Reactivity of non-metals increases as you move from left to right on the periodic table, or as group number increases. The most reactive non-metals are found in group 17.