This is a chemical element. You can find the how many electron in a single atom by using a Periodic Table.
1, like all other alkali metal atoms.
Carbon has four electrons in the outermost energy level, which is energy level two. It needs eight electrons to have this energy level filled.
This is a chemical element. You can find the how many electron in a single atom by using a periodic table.
Sodium has one electron in its outermost principal energy level, also known as the valence shell.
Fluorine has 7 electrons in its outermost energy level. Its electron configuration is 2-7, with 7 electrons in the outermost energy level, making it highly reactive.
An electron in the outermost energy level of an atom is called a valence electron.(We refer here to the outermost occupied levels of an atom. There are, of course, many other higher energy levels normally available that are not occupied.)These electrons determine the chemical reactivity of the atom.the valence electrons
The chloride ion (Cl-) has 8 electrons on the outermost energy level.
2 electrons. The electron configuration of Zn is 2.8.18.2
Fr is in the 1st period. It removes an electron to get noble gas configuration. Fr+ does not have valence electrons.Francium has 1 electron in its outermost energy level. It donates its outermost electron to stabilize its electron configuration. Francium(I) has no valence electrons.
Except for elements 1 and 2, all elements are stable with how many electrons in their outermost (valence) level?
One electron in outermost energy level.
To start off, the electrons on the outermost energy level of an atom are called valence electrons. You can tell how many valence electrons an energy level has by finding out its group number. If an element is in group one, than it has one valence electron.