Normally, three.
There are 3 electron shells in Aluminum. The first shell holds 2, the second shell holds 8, and the third shell holds 3. This equals 13, its Atomic Number. http://www.chem4kids.com/files/elements/013_shells.html
Nitrogen has five electrons in its outer shell and bromine has seven in its outer shell.
Boron has three electrons in its outer shell
Boron has 3 electrons in the outer shell and 2 electrons in the inner.
seven it has to be
No it doesn't... Aluminum has 3 extra electrons in the outer shell
There are 3 electron shells in Aluminum. The first shell holds 2, the second shell holds 8, and the third shell holds 3. This equals 13, its Atomic Number. http://www.chem4kids.com/files/elements/013_shells.html
Nitrogen has five electrons in its outer shell and bromine has seven in its outer shell.
Boron has three electrons in its outer shell
Vanadium has on the outer shell two electrons.
Calcium has two electrons in the outer shell.
There is one electron on cobalts outer shell.
4V V-Valence Electrons Valence Electrons-Last electron (which is on the outer shell)
Boron has 3 electrons in the outer shell and 2 electrons in the inner.
Tungsten has 6 electrons in its outer shell.
Chlorine has 7 electrons in its outer shell.
Germanium (Ge) has 4 electrons in its outer shell.