one
Potassium has 1 electron in its outer energy level. When it forms a bond, it typically donates this electron to another element, leaving it with a full outer energy level.
there are 2 electrons in potassium's innermost energy level
Nitrogen has 5 electrons in its outer shell, and Bromine has 7 electrons in its outer shell.
Uranium has 2 electrons on its outer energy level.
Boron has 3 electrons in it's outer level.
Vanadium has 5 electrons in its outer energy level.
7Fluorine has 7 electrons in the outer level.
10 electrons
Iodine has 7 electrons in its outer energy level.
Mercury has 2 electrons in its outer level, which is the 6th and final energy level for mercury.
There are 8 electrons in the outer energy level of xenon. Xenon belongs to the noble gas group on the periodic table, which have a full outer energy level with 8 electrons.
Magnesium has 2 electrons on its outer energy level.