Common Uses: Cast iron for ovens and engine cylinder blocks I've searched the web and seen the answer of 3, but I think it is 2 because Iron has 2 electrons on its outermost energy level. O.K. Oxidation state depends upon the valence electrons and valence electrons are the electrons present in the outer most shell of an atom. We'll put six in the 2p orbital and then put the next two electrons in the 3s. Iron has two valence electrons. Without enough iron in your body, you can become anemic. You need to have a firm grasp of what you are talking about when you use the term . Watch more videos on http://www.brightstorm.com/science/chemistry SUBSCRIBE FOR All OUR VIDEOS! Two of them are located in the first shell, while the remaining four are located in the second shell. Homework Help. When iron loses the 2 4s electrons, it attains a valency of +2. You need to have a firm grasp of what you are talking about when you use the term . An atom may tend to accept or lose electrons from an incomplete subshell if doing so will result in a full subshell, so subshell electrons may behave like valence electrons. The total number of electrons in the #n=3# shell is (2+2=)4, so silicon has 4 valence electrons. Transition metals can use the electrons in their #d# subshells as valence electrons. around the world. Valence electrons are those electrons that reside in the outermost shell surrounding an atomic nucleus. Now, iron exhibits 2 valence states of +2 and +3. Transition metals can use the electrons in their ##d## subshells as valence electrons. Valence electrons are those which can react withanother element and in the case of 1st Transition elements series, this will include the 4s and 3d electrons. But iron is a transition metal. This leaves Iron ( Fe) with 8 valance electrons. Elements in groups 1,2, 13 or 14 tend to lose electrons to become cations. Is the Coronavirus Crisis Increasing America's Drug Overdoses? How Many Valence Electrons Does Iron Have? ), The Secret Science of Solving Crossword Puzzles, Racist Phrases to Remove From Your Mental Lexicon. Now we can look at the superscripts (which designate the number of electrons in each orbital). You need to have a firm grasp of what you are talking about when you use the term . Also, what would a Lewis Dot Diagram for Iron look like? Iron has 8 valence electrons. The outermost shell is the third shell (#n=3#) and has #s# and #p# orbitals. Personalized courses, with or without credits. Also in crookesite, hutchinsonite and lorandite. Iron does not have 8 valence electrons, it only has 2, here's why. Transition metals can use the electrons in their ##d## subshells as valence electrons. For example, silicon (a main-group element) has the electron configuration #1s^2 2s^2 2p^6 3s^2 3p^2#. The valence electrons move between atoms in shared orbitals. But iron is a transition metal. The number of valence electrons in an atom governs its bonding behavior. (1) An atom with the electron configuration 1s22s22p2 possesses two valence electrons. But iron is a transition metal. The 4s 2 3d 6 electrons. How many valence electrons are in a silicon atom? The electron configuration of iron is 1s22s22p63s23p63d64s2 or 2, 8, 14, 2 electrons per shell, so an atom of iron has two electrons in the outermost shell. Valence electrons are of crucial importance because they lend deep insight into an element’s chemical properties: whether it is electronegative or electropositive in nature, or they indicate the bond order of a chemical compound – the number of bonds that can be formed between two atoms. These are the first electrons that Iron tends to lose. 3.7 million tough questions answered. This is tricky! Iron reacts with oxygen to form iron oxide (rust). Which best describes this statement? The valence electrons of these atoms are rearranged to form the bond when MANY VALENCE ELECTRONS ARE SHARED BETWEEN THE ATOMS. You need to have a firm grasp of what you are talking about when you use the term .