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Because to be stable they need 8 atoms on outermost shell.Alkali need 7 so are highly reactive.

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11y ago

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The two most reactive groups of elements in the periodic table are the alkali metals and the what?

The two most reactive groups of elements in the periodic table are the alkali metals and the halogens. Halogens are nonmetals located in group 17 of the periodic table and include elements like fluorine, chlorine, and iodine.


Which elements in the periodic table would be expected to be more reactive than phosphorus (P)?

Metals are more reactive elements.


Where in the periodic table are the metals that are most reactive?

The elements furthest to the left (alkaline earth metals)


What family on the periodic table is the most reactive metals?

The most reactive non-metals are the halogens, group 17.


What groups are the very reactive elements from?

The very reactive elements are typically found in Group 1 (alkali metals) and Group 17 (halogens) of the periodic table. Alkali metals tend to react violently with water, while halogens are known for their high reactivity and tendency to form salts with metals.


What characteristics does the left side of the periodic table have?

The elements are all metals and are generally reactive.


Which set of elements make up the reactive group of all metals?

The reactive group of all metals consists of elements located in Group 1 and Group 2 of the periodic table, known as the alkali metals and alkaline earth metals, respectively. These metals are highly reactive due to their tendency to lose electrons and form positive ions.


Which column in the periodic table lists the most reactive elements?

Group 1 (metals) and Group 17 (non-metals).


What are the non-reactive and reactive elements in periodic table?

Non-reactive elements in the periodic table are typically the noble gases, such as helium, neon, and argon. These elements have a full outer electron shell, making them stable and less likely to form chemical bonds. Reactive elements are those that readily form chemical bonds with other elements, such as the alkali metals (e.g. sodium, potassium) and halogens (e.g. fluorine, chlorine).


What group is 1?

in the Periodic Table it is the most reactive metals!


The column on the far left of the periodic table contains the?

The column on the far left of the periodic table contains the alkali metals. These elements are highly reactive and have one electron in their outer shell. They include elements such as lithium, sodium, and potassium.


What is the most reactive group of metals in the periodic table is the?

The Alkali metals are the most reactive group of metals in the Periodic Table. Of these Francium is the most reactive metal of all.