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3 electrons

2 in the first ring

8 in the second ring

And 3 in the valence

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How many valence electrons are in AI?

There are 3 valence electrons in Al (Aluminum) as it is located in group 13 of the periodic table.


How many valence electrons are in Al?

Aluminium (Al) has three valence electrons.


How many core electrons are in AL?

There are 10 core electrons in the aluminum atom. This includes the 10 inner shell electrons that fill the energy levels up to neon. Aluminum has 13 total electrons, with three valence electrons in the outermost energy level.


How many valence electrons does Al -3 have?

Al -3 gains 3 electrons so Al has 13 electrons..the configuration is: 1s^2 2s^2 2p^6 3s^2 3p^1


How many electrons are found in the outermost shell of alumimum Al atomic number 13?

The atomic number of any element depends on the number of protons it has in its nucleus. Aluminium has 13 protons hence making the atomic number of aluminum 13.


Why does aluminum most often have an oxidation state of 3?

Aluminum most often has an oxidation state of +3 because it readily loses its 3 valence electrons to achieve a stable electron configuration. This results in the formation of the Al3+ cation, which has a full outer shell of electrons.


Where can we find a correct electron dot diagram for Al?

You can find a correct electron dot diagram for aluminum (Al) by representing the symbol "Al" surrounded by three dots, one on each side. This represents the three valence electrons in Al's outer shell.


An element that tends to lose 3 electrons?

Aluminum wants to lose three electrons. The atomic number of Al is 13, thus an uncharged Al has 13 electrons: 2 in the first shell, 8 in the second and 3 in the last shell. Since the element has 3 valence electrons it will try to lose them. As a result, it will have a charge of +3


What don you notice about the number of valence electrons as you move from left to right across a row or the period in the periodic table na-mg-al-si-p-s-ci-ar?

The number of valence electrons increases by one as you move from left to right across a period in the periodic table. Sodium (Na) has 1 valence electron, magnesium (Mg) has 2 valence electrons, aluminum (Al) has 3 valence electrons, silicon (Si) has 4 valence electrons, phosphorus (P) has 5 valence electrons, sulfur (S) has 6 valence electrons, chlorine (Cl) has 7 valence electrons, and argon (Ar) has 8 valence electrons.


Which p-block has 7 valence electrons C O CL AL?

Fluorine, chlorine, bromine, iodine, and astatine have 7 valence electrons.


What is the Lewis theory chemical formula for Al and N?

The compound containing aluminum and nitrogen is called aluminum nitride and has the formula AlN. The aluminum atom loses its three valence electrons, and the nitrogen atom will gain the three valence electrons from the aluminum atom, and add them to its valence electrons, forming an octet. Refer to the related link below for an illustration.


What is the valence of an atom with three electrons?

Depends. Valance is used to describe the other "electron shell" of the atom. The Valance shell is the outer most shell and determines how the atom will react chemically with other atoms. For example, H has one electron and one proton, for a neutral charge, and that electron is also the valance electron, as it is in the out shell. Shells: Shells are where the electrons are housed, and are divided into energy levels. To find the Max number of electrons on a shell, use the rule 2n^2 where n is the number of the shell (1st, 2nd etc) So the first shell holds two and the 2nd holds 8 etc. So if we go back to H we see that it has 1 electron when it;s out shell can house a maximum of 2. Therefore it's valance is 1 (worked out by how many electrons are needed to fill the outer shell or need to be dropped to fill the outer shell, which ever number is lower). This means that H is unstable and will react with many things. So valance can't tell you how many electrons there are, but that's what the atomic number is for.