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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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Why are two atoms of group IA and one atom of group IIA needed to react with carbonate?
Carbonate has a negative two charge (CO32-). Group 1 elements have a plus 1 charge, and group II elements have a plus 2 charge. In order balance the reaction so that the charge is balanced, the stoichiometry comes out 1 to 2 for Group 1 and 1 to 1 for the Group II.See the Related Questions for more information about balanced reactions and stoichiometry.
Which of these are examples of decomposition reactions 1 2no n2 o2 2 2k br2 2kbr 3 h2 cl2 2hcl 4 2pocl3 2pcl3 o2?
1 (fully) and 4 (only partial) are decomposition reactions.
How are group 1 elements stored?
group 1 elements are stored in oil because they are highly reactive elements.
Which group of elements most readily combines with group 17 elements?
1
Which group is more reactive on the periodic table group 1 or 2?
Group 1 elements are more reactive than that of group 2 elements.
What happens when group 1 elements are placed with air?
Violent oxidation reactions.
How many moles of atoms are in 44.0 Br2?
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
How does hydrogens characteristics set is apart from other group 1 elements?
The group 1 elements are alkali metals and they are usually the cations (positive atoms) in ionic reactions. However, Hydrogen, though it is a group 1 element is not an alkali metal and is not always the cation in an ionic reaction, it actually does not take part in any.
Why are two atoms of group IA and one atom of group IIA needed to react with carbonate?
Carbonate has a negative two charge (CO32-). Group 1 elements have a plus 1 charge, and group II elements have a plus 2 charge. In order balance the reaction so that the charge is balanced, the stoichiometry comes out 1 to 2 for Group 1 and 1 to 1 for the Group II.See the Related Questions for more information about balanced reactions and stoichiometry.
Which of these are examples of decomposition reactions 1 2no n2 o2 2 2k br2 2kbr 3 h2 cl2 2hcl 4 2pocl3 2pcl3 o2?
1 (fully) and 4 (only partial) are decomposition reactions.
How are group 1 elements stored?
group 1 elements are stored in oil because they are highly reactive elements.
What is the number of valence electrons for the elements in group 1?
The elements in Group 1 have one valence electron in their outermost s orbital.
What is the mass of 4.89 x 1020 molecules of Br2?
1 mole Br2 = 159.808g Br2 = 6.022 x 1023 molecules Br2 4.89 x 1020 molecules Br2 x 1mol Br2/6.022 x 1023 molecules Br2 x 159.808g Br2/mol Br2 = 0.130g Br2
Elements of Group 1 Are Called what?
Elements in group 1 are called Alkali Metals, after that group 2 elements are called Alkali Earth Metals, group 3-12 elements are called Transition Elements.
What is the name of the family of elements in Group IA 1?
Group IA or group 1 elements are known as alkali metals.
What family is a very reactive group of mostly nonmetals whose gain or share one electron in chemical reactions?
Group 17 elements, 'Halogens', have seven electrons in their valence shell and show the valency of 1. 4 of the 5 elements in that group are non metals including fluorine, which is the strongest.
In the first group of elements in the periodic table what does the first group have in common?
They all have one valence electron in their outer shells and so tend to lose that electron in chemical reactions, gaining a +1 charge.
