Fr or Francium is the most reactive alkali metal (group 1)
Francium (Fr)
Francium (Fr)
first group element or group 1 elements are most reactive.beacuse they are alkali metals and contained only 1 electrons in their ns orbital.also their ionisation potential is very low,so they easily lose electron and execute reaction.
In terms of reactivity, Potassium(K) is the most reactive element among group 1 elements.
The most active elements are in group one and two on the periodic table and are always found in nature combined with other elements. The most active metals are in group one, which is the alkali metals, they wouldn't be in group two. (if you need more information) http://www.chem4kids.com/files/elem_alkalimetal.HTML
group 1, or 2, or ... 18 depends on its properties.
The Group 1 metal 'Francium;. because it is radio-active, and you don;t want radio-active material splashing everywhere.
In terms of reactivity, Potassium(K) is the most reactive element among group 1 elements.
Sodium is more reactive then Magnesium as it is a group 1 element and magnesium is a group 2 element
group 1
first group element or group 1 elements are most reactive.beacuse they are alkali metals and contained only 1 electrons in their ns orbital.also their ionisation potential is very low,so they easily lose electron and execute reaction.
Francium.
Group 1 metals or alkali metals
In terms of reactivity, Potassium(K) is the most reactive element among group 1 elements.
The most active elements are in group one and two on the periodic table and are always found in nature combined with other elements. The most active metals are in group one, which is the alkali metals, they wouldn't be in group two. (if you need more information) http://www.chem4kids.com/files/elem_alkalimetal.HTML
Group 1 is the most active and Group 2 is second.
group 1, or 2, or ... 18 depends on its properties.
If you mean in the group {1, -1, i, -i, j, -j, k, -k}, the identity element is 1.
If we look at the periodic table, we can see that the first element in Group I is Hydrogen.