It is often a mistake to ask how reactive a compound is, different chemicals react differently when reacting depending on the other reagents and conditions etc.
But with that off my chest, I'll assume that you mean how reactive boron is in ambient conditions and the answer is not very. Most of its alleotrops are stable and it does not react violently with water or air so no BOOM or flames. It is slightly flammable but no overly needing a good ignition source.
It however is capable of some very interesting chemistry. It has 3 valent electrons and it is electron poor, and so was be used to dope silicon for p-type material. It can be used to make a reducing reagent AND an oxidant. Its borane compounds vary widely in structure with many hydrogen bridges which can be used to power rockets etc the list goes on, interesting I swear.
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reactive
reactive
it is not reactive to water
With a electronegativity of 2,04 on the Pauli scale boron is a reactive chemical element.
yes
it is not reactive to water
boron
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The Boron family is classified as Metals andMetalloids. They are Group 13 and have 3 valence electrons. The Boron family are solids at room temperature and they are reactive. But, the most reactive are the Alkali Metals. They have a violent reaction with water. Hope this helps! :)
The "pure element form" of boron is a meteorite. Boron isn't very reactive...but since it's formed by cosmic rays it isn't very abundant either.
Sodium is a highly reactive alkali metal whereas aluminium is a less reactive metal in the boron group.
Boron exists in BCl3 form while Al can form Al206 because Al or aluminum is highly reactive. Aluminum has the property of being highly reactive with oxygen. This is why it forms Al206.