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The reactions of Group 1 elements with Br2 are very vigorous. For example, Sodium it would go 2Na + Br2 = 2 NaBr.

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What happens when group 1 elements are placed with air?

Violent oxidation reactions.


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1 (fully) and 4 (only partial) are decomposition reactions.


Is oxygen given off when group 1 elements react with water?

No, oxygen is not given off when group 1 elements react with water. Instead, these reactions typically result in the formation of hydroxide ions and hydrogen gas.


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i guess you mean that the group 1 elements usually lose a electron in order to become stable because the outermost of the group 1 elements have only one valence electron and it is easy to lose one than to gain seven.


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44.0 grams Br2 ? 44.0 grams Br2 (1 mole Br2/159.8 grams)(6.022 X 10^23/1 mole Br2)(1 mole Br2 atoms/6.022 X 10^23) = 0.275 moles of Br2 atoms


What is another name for alkali metals?

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Oxidation number for first 20 elements?

The oxidation numbers for the first 20 elements in the periodic table are typically as follows: Group 1 elements: +1; Group 2 elements: +2; Group 13 elements: +3; Group 14 elements: +4 or -4; Group 15 elements: -3; Group 16 elements: -2; Group 17 elements: -1; Group 18 elements: 0. Keep in mind that oxidation numbers can vary in different compounds and contexts.


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What group is k in and what is the name of the elements?

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What is the name of the family of elements in Group IA 1?

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