The cation Al3+
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N--- Look up the element in the Periodic Table via its atomic number (number of protons). Then if the number of electrons is different, the net charge is the difference, negative if excess electrons, positive for a deficiency of electrons.
If there are 8 protons, the element is oxygen. If there are 10 electrons, it has filled it's outer shell and therefore is an ion with a double negative charge. The symbol is therefore O= (O double negative)
AL3+ represents a particle with a total of 10 electrons.
A neutral atom with 10 electrons is neon.
An ion with 10 electrons is oxygen (8 +2).
Neon, assuming that the atom has a neutral charge. If the atom does not, then it could be N+3, O+2, or Mg-2.
Ar
O2-
13 protons and 14 neutrons. The fact that its an ion doesn't change that ... only the number of electrons.
13 in the neutral atom, 10 in the Al3+ ion
A fluorine ion with atomic number 9 and 10 electrons has a charge of -1 because it has one extra electron as compared to the number of protons (10-9 = 1). Its symbol is F-.
Well, if you're asking about valence electrons, there are 3. Otherwise, there are a total of 13 electrons in a neutral Aluminum atom Electron Configuration [Al]: 2 - 8 - 3
There are 8 protons and 10 electrons in an oxide ion.
17O2-
10 electrons.
13 protons and 14 neutrons. The fact that its an ion doesn't change that ... only the number of electrons.
13 in the neutral atom, 10 in the Al3+ ion
A fluorine ion with atomic number 9 and 10 electrons has a charge of -1 because it has one extra electron as compared to the number of protons (10-9 = 1). Its symbol is F-.
In one atom of aluminum, there are 13 protons and 13 electrons. However, aluminum is a fairly reactive metal and is often found as an ion in nature. In this form, aluminum is a 3+ ion, having 13 protons but only 10 electrons.
The stable ion of aluminum is Al 3+, which means it has three fewer electrons. The aluminum atom has shed its outer shell of 3s2 3p1 and has an electron configuration equal to that of Neon, or 1s2 2s2 2p6.
Well, if you're asking about valence electrons, there are 3. Otherwise, there are a total of 13 electrons in a neutral Aluminum atom Electron Configuration [Al]: 2 - 8 - 3
Alkaline earth metals are group 2 elements and have 2 valence electrons.
Magnesium, with a +2 charge.
There are 8 protons and 10 electrons in an oxide ion.
there are 3 valence electrons in the atom of aluminum