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The alkali metal. The alkali metal has less protons in the nucleus compared to the halogen in the same period and therefore exerts a relatively smaller attractive force on the outer-most shell electrons, enabling them to stray further away.

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15y ago
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8y ago

You have to ask it in a period. alkaline metals are longer than.

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11y ago

cesium

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Q: What alkali metal has the biggest radius?
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Related questions

What is the biggest element in the alkali family?

Francium has the biggest atomic weight and the biggest atomic radius between the alkali metals.


Which alkali earth metal has the smallest atomic radius?

The alkali earth metal with the smallest atomic radius would be beryllium(Be), number four


Why does the melting point of an alkali metal decrease as the radius gets bigger?

because Joseph broadly


What is the larger element in the alkali metal family?

Francium has the most larger atomic weight and also the largest atomic radius between the alkali metals.


Is rhodium a alkali metal metal or a transition metal?

it is an alkali metal


Is titanium an alkali metal?

No it's not an alkali metal the alkali metal group is in group one and two


Is a metal acid or alkali?

A metal is a base and is an alkali


Is Fe an alkali metal?

No its a transition metal


Is sodium a transition element?

Sodium is an Alkali metal. Elements in the center of the periodic table are transition metals.


Is potassium a transition meatal or an alkali metal?

Alkali Metal


What is the alkali metal sodium?

The alkali metal, sodium, is an element.


Is sodium an alkali metal or a transition metal?

alkali you idiots