Alkali and alkaline earth metals
The word "valance" is used to describe electrons in the outer-most energy level of an atom. Oxygen has six valance electrons.
Elements with five or more electrons in the outer energy level are typically classified as nonmetals. These elements tend to gain electrons to achieve a stable octet configuration. Examples include nitrogen, oxygen, and chlorine.
You can determine the number of electrons in the outer energy level of an atom by looking at its group number on the periodic table. For main group elements, the group number corresponds to the number of valence electrons. For example, group 1 elements have 1 valence electron, group 2 elements have 2 valence electrons, and so on.
yes.they have the maximum number of electrons in their outer energy level?
The outermost principal energy level is the highest energy level in an atom where electrons are located. This level determines the chemical properties of an element, as it is the location of valence electrons that participate in chemical bonding.
Beryllium and magnesium have two electrons in their outermost energy level, as do all Group 2 elements.
Elements whose atoms have the same number of outer electrons have similar properties..
Elements whose atoms have the same number of outer electrons have similar properties..
The family of elements with two electrons in its outer energy level is the alkaline earth metals. This group includes elements like beryllium, magnesium, calcium, strontium, and barium. These elements are highly reactive and tend to form 2+ cations by losing their two outer electrons.
The word "valance" is used to describe electrons in the outer-most energy level of an atom. Oxygen has six valance electrons.
There are different numbers of valence electrons in different elements.
Group 18 elements have a stable octet.
Uranium has 2 electrons on its outer energy level.
Nitrogen has 5 electrons in its outer shell, and Bromine has 7 electrons in its outer shell.
Group 8
The noble gases is the most stable group of elements. They have their outer electron energy levels full, but the number of electrons vary according to which noble gas it is. They are group 18 on the periodic table.
Vanadium has 5 electrons in its outer energy level.