1s2, 2s2, 2p6, 3s2, 3p6, 3d7, 4s2
An element with the electronic configuration above is a
non-metal
metal
transition element
group two element
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Discussions (19)
Yes, its a transition element bcos it has an atomic number of 27[cobalt]. All metals frm atomic number 21[scandium] to 30[zinc] are all transition metals
Uhm its definately a metal probably Iron that belongs to the transition group... I choose B & C
The electronic configuration is for the element cobalt in period 4 that is among the transition groups which is in between group 2 and group 3. So the option C is correct.
the and is C because the atomic number is 27 and that fall under transition element in the periodic table
at chigbundu, arrangement doesnt rily matters when it coms to dealin wt transition element... 4s2,3d7, or 3d7,4s2..tiz jst dat d 3d7,4s2 iz much more appropriate.
