Atoms and Atomic Structure

How many valence electrons do the boron group have?

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2015-03-07 11:00:10
2015-03-07 11:00:10

Boron group have 3 valence electrons. It is a part of group-13.

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Boron is an elemet in group 13, hence it has three valence electrons.



Boron has 3 valence electrons.



There are 3 valence electrons in Boron..Remember valence electrons are in the outer shell





The elements in the boron family are in group 13. Therefore, their outermost shells are filled up to their s2 p1 orbitals. That means that the boron family of elements all have 3 valence electrons.


3 valence electrons. As the atomic number of boron is 5, it would have 2 electrons in the first shell and 3 valence electrons in the second shell.


3 valence electrons are there in boron family


Boron has 3 valence electrons. it is in period number 3 so it gets 3 valence electrons, 5 protons, and 6 neutrons


There are two non-valence electrons in a neturol boron atom. The electronic configuration of neutral boron is 1s2, 2s2 2p1. The three electrons in the 2d shell are the valence electrons; the non--valence electrons are in the 1s orbital.


3 valence electronsThere are three valance electrons. These are the electrons in the outer shell if it is not full.


Boron has 3 valence electrons.



Well, look at the group(vertical) on a periodic table and you'll find group 3A. The group number tells how many valence electrons not how many electrons in an element. So Boron(B) Aluminum(Al) Gallium(Ga) Indium(In) Thallium(Tl) will all have 3 valence electrons. The atomic # tells the total # of electrons in an element.


Group 14 has 4 valence electrons


In group 3A, there are 3 valence electrons.


Simply look at the periodic table. The number of valence electrons is the same as the group number. Ex: Boron has 3, Carbon has 4, Nitrogen has 5..


Group 5A (13) has 5 valence electrons.


Group 1 has one valence electrons.


Group 1 elements have 1 valence electron, group 2has two valence electrons and group 15 has 5 valence electrons.


Group 2 metals have 2 valence electrons. In fact, the number of valence electrons of elements can be deduced from the group number (e.g. group VII elements have 7 valence electrons).




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