0
What is the significance of the number of electrons on the valence shell?
Wiki User
∙ 12y ago
It is important as you can use the number of valence electrons of an element to compute a variety of calculations and also for some other things, such as drawing some chemical structures. For example, you must know the number of valence electrons to draw a Lewis structure of a molecule and also to calculate the formal charge.
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoThe chemical importance of the valence electron shell is how an atom interacts with another atom (what bond or reaction it forms, such as covalent, ionic, non-polar covalent, polar covalent, etc.).
Wiki User
∙ 13y agoThe valence shell is the outermost shell of an atom. According to the octet rule, if this shell has 8 electrons, then it is electrically neutral or balanced. If it has less than 8 electrons, it is unbalanced and is looking for electrons to fill this outer shell.
Wiki User
∙ 12y agoMost molecules would love to have exactly eight electrons in their outermost valence shell. Later on you'll learn that this is because it gives the molecule full S&P sublevels.
For example, Na has one electron in its valence shell. Cl has seven. That's why NaCl is so common because 1+7=8...
Wiki User
∙ 12y agoThe number of valence electrons determine how the atom can bond.
For example: oxygen has 6 valence electrons, hydrogen has 1. This allows the oxygen to pair with 2 hydrogens to make water (H2O). In order to bond successfully, every atom must have 8 valence electrons (called an octet). There are a few exceptions to the octet rule, being that sometimes atoms can have more than 8 (XeF4) or sometimes less than 8 (BCl3). Hydrogen and Helium, however, can only ever have 2. This is because they only have the one energy level. The first energy level can only hold 2 electrons.
Wiki User
∙ 14y agoThey are the primary determinants of the chemical properties of atoms.
Wiki User
∙ 13y agoit is important to know the number of valence electrons in chemical bonding, because you have to know if the element is stable or not.
Wiki User
∙ 12y agoValence electrons are the electrons on the outermost shell, so they're the ones that will see the most bonding action.
How electrons bond says a lot about an element's properties.
Wiki User
∙ 9y agoThe number of electrons in the valence shell of an atom determines its chemical properties and what other elements it can react and form compounds with.
Add your answer:
Earn +20 pts
The elements within a group have a similar number of?
Elements in the same group have the same number of valence electrons. These are the outer-shell electrons that react with other elements.
What do you notice about the number of electrons in each valence shell of noble gases?
All the noble gases have 8 electrons in their valence shell except helium which have 2 electrons in its valence shell.
What terms is used to the electrons in outermost shell or energy level?
Valence electrons are the electrons in the outermost shell. They are the electrons available for bonding and generally determine the number of bonds an atom can make
Do all nonmetals have a completelyfull Valence shell of electrons?
There is no set amount of valence electrons for nonmetals. The amount of valence electrons a nonmetal has is determined by the number of electrons on the outer shell of the atom.
What is Number of valence electrons of chlorine?
Chlorine has 7 electrons in the outermost shell. It is in the 17th group. It has 7 valence electrons.
The chemical properties of an atom depend on the number of what?
It depends on the number of electrons in the outer valence shell in the atom
How many electrons are there in the valence shell of a nitrogen atom?
Nitrogen has 5 valence electrons. Its atomic number is 7 therefore it has a total of 7 electrons. If you put this in a Bohr-Rutherford Diagram, there would be 2 electrons in the first shell (Helium structure) and 5 electrons in the outer shell. The number of electrons in an element's outermost shell is its number of valence electrons.
The elements within a group have a similar number of?
Elements in the same group have the same number of valence electrons. These are the outer-shell electrons that react with other elements.
What is the maximum number of electrons that might be found in the valence shell?
The maximum number of electrons that might be found in the valence shell is eight.
What do you notice about the number of electrons in each valence shell of noble gases?
All the noble gases have 8 electrons in their valence shell except helium which have 2 electrons in its valence shell.
What terms is used to the electrons in outermost shell or energy level?
Valence electrons are the electrons in the outermost shell. They are the electrons available for bonding and generally determine the number of bonds an atom can make
How many valence electrons have boron have?
3 valence electrons. As the atomic number of boron is 5, it would have 2 electrons in the first shell and 3 valence electrons in the second shell.
Do all nonmetals have a completelyfull Valence shell of electrons?
There is no set amount of valence electrons for nonmetals. The amount of valence electrons a nonmetal has is determined by the number of electrons on the outer shell of the atom.
How many valence electrons does have boron have?
3
Are periods valence electrons or electron shell?
The period tells you the valence ELECTRON SHELL (energy level). The group tells you the number of valence electrons.
How many electrons would be present in the valence shell of a iron atom?
Valence electrons are the total amount of electrons on the outermost shell of an atom. Meaning if the last shell has two, the valence electrons are two. But a complete valence shell would hold eight.
How many electrons does a complete valance shell hold?
the number of electrons in a valence shell is 8
