What is the trend in the reactivity of Group 1 alkali metals?
The reactivity of group 1 elements increases as you go down the group because: the atoms become larger. the outer electron becomes further from the nucleus. the force of attraction between the nucleus and the outer electron decreases.
What is the order of reactivity in Group 1?
The increasing order of reactivity among group 1 element is Li CI > Br > I .
How does the reactivity of Group 1 change down the group?
The alkali metals lose electrons and reactivity increases as you go down the group. This is because the increased number of electron shells results in more shielding and a greater distance between the outer electrons and the nucleus, which reduces the attraction of the electrons to the nucleus.
How does the chemical reactivity of alkali metal vary on going down in Group 1 of the periodic table?
The chemical reactivity of alkali metals increases on going down in group 1 of the periodic table.
Which group 1 metal is the most reactive?
alkali metals
What are the most reactive metals in Group 1 of the periodic table? The reactivity of alkali metals increases from the top to the bottom of the group, so lithium (Li) is the least reactive alkali metal and francium (Fr) is the most reactive.
Which is the most reactive in group 1?
francium
Reactivity of Group 1 Elements The reactivity of alkali metals increases from the top to the bottom of the group, so lithium (Li) is the least reactive alkali metal and francium (Fr) is the most reactive. Because alkali metals are so reactive, they are found in nature only in combination with other elements.
How does reactivity of element vary down the group 1 and 17?
(a) In group 1 of alkali metals, the chemical reactivity increases from lithium to francium. (b) In group 17 of halogen elements, the chemical reactivity decreases from fluorine to iodine.
How and why does the chemical reactivity of the elements vary on moving down thegroup 1 and group 17 of the periodic table explain by giving a suitable example?
The chemical reactivity of group 17 elements decreases down the group. So down the group there is an increase in the atomic radius and hence the effective nuclear force decrease as the atomic radius increases and this leads to the decreased chemical reactivity down the group.
What is the Order of reactivity of alkali metals?
What is the order of reactivity for alkali metals? The reactivity of alkali metals increases from the top to the bottom of the group, so lithium (Li) is the least reactive alkali metal and francium (Fr) is the most reactive. Because alkali metals are so reactive, they are found in nature only in combination with other elements.
What are the chemical characteristics of Group 1A metals?
They get softer and more reactive as you move down the period from lithium to sodium to potassium. This demonstration is good for illustrating the chemical characteristics of metals, reactivity of Group 1A metals trends, Ionization Energy Trend.
What is the reactivity series in chemistry?
“The reactivity series lists metal compounds, including magnesium sulphur and lead, in their order of reactivity, with the least reactive at the top. Those at the top and bottom are most keen to react with other elements to form compounds.
How do elements in Group 1 react with each other?
When an element in group 1 takes part in a reaction, its atoms lose their outer electron and form positively charged ions, called cations. The more easily these cations form, the more reactive the metal.