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Cr and Fe have four unpaired electrons in their 2 plus ions.

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What are the similarities between groups 3 through 12?

These elements to transition metals. The electrons are filled in the d-orbitals. Most of the elements have unpaired electrons and hence are paramagnetic.


Why do transition metals have magnetic properties?

Transition metals have magnetic properties because they have unpaired electrons in their d-orbitals. These unpaired electrons can align their spins in response to an external magnetic field, which leads to the generation of a magnetic field. This property is responsible for the magnetic behavior of transition metals.


How many unpaired electrons are there in a oxygen atom in its ground state?

An oxygen atom has 8 electrons, and thus 6 valence electrons. 4 of these are paired, giving us 2 unpaired lectrons. This also means oxygen can connect to 2 other atoms through a basic bond, or 1 atom through a double bond.


What are elements in groups 3-12 known as?

Transition Metals! ^-^ http://chemistry.about.com/library/blperiodictable.htm


How many unpaired electrons does carbon have in its outer shell?

In a single carbon atom, there are two unpaired electrons. The electron configuration is:1s2 2s2 2p2where all the electrons are paired up except for the 2 in the 2p orbital, which are unpaired due to Hund's Rule


Elements in groups 3 through 12 of the periodic table are called?

These elements are known as transition metals or d-block elements


What are the elements of the periodic table 3 through 12 called?

Transition elements or d block elements.


What are the elements in groups 3 through 12 called on the periodic table of elements?

The elements in groups 3 through 12 on the periodic table are known as transition metals. These elements are characterized by their ability to form stable ions with partially filled d orbitals. They often exhibit multiple oxidation states and are known for their catalytic properties.


Explain why the transition metals are sometimes referred to as the d-blok elements?

the transition metals constitute groups 3 through 12 and are sometimes called d-block elements because of their position in the periodic table; while they all have the same valance electron orbital 'd'.


What is the valence electron for group 3?

The number of valence electrons in groups 3 through 7 is the same as the group number, and for group 12 the number of valence electrons is 2. For groups 8 through 11, the number of valence electrons must be determined individually from individual electronic configurations.


What are the elements in group 3 to 12 on the periodic table called?

The 38 elements in group 3 through 12 of the periodic table are called Transition Metals.It consist of elements from atomic number 21 to 112. These are also called d block elements.


Elements in groups 3 through 12 of the periodic?

These are Transition Metals