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Because they have one valence electron each.

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14y ago

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Related Questions

What is the first family in the periodic table?

alkali metals


What is family one called in the periodic table?

alkaline earth metals


What is the first family of elements on the periodic table?

the alkali metals


What elements are in the first group in the periodic table?

alkali metals


Which block in the periodic tabe contains the alkali metals?

The Alkali Metals are the first column of the periodic table, except for Hydrogen.


What are elements in the first groupof the periodic table called?

the alkali metals


What is the group that hydrogen is in?

Hydrogen is a non-metal; it's in group VII


Where is alkali metals located on the periodic table and their group number?

The alkali metals are group 1, also known as group 1A.


What metal is alkali metal?

This is the first column in the Periodic Table. There are six metals that are "Alkali Metals" and six that are "Alkali Earth Metals". The Alkali metals are:LithiumSodiumPotassiumRubidiumCaesiumFranciumThese metals get more reactive as you go down the list...Hope I helped :D


In the periodic table elements in the first columns are called what?

The elements located in the first column, group IA on the periodic table, are called alkali metals.


Are alkali metals in the first group of the periodic table?

Yes,alkali metals belongs to first group.Formerly known as Group IA.They are very reactive.


What are the elements on lift side of periodic table?

alkali metals, alkali earth metals, and some transition metals.. that is on the left side if you divide the periodic table in two.