1s2 2s2 2p4
The electron configuration of helium is 1s2.
If you think to the electron configuration of fermium this is: [Rn]5f12.7s2.
Lewis structure, electron dot diagram, electron dot structure...
Electron dot model of uranium is:.:U:.
i need to know this information and much more information for school. and i wish you can help me on it. what does a dot diagram show? what are two things a dot diagram must show? how can the group number help in determining the number of valence electrons? what is true for the dot diagram for every element in a group? what is helium's dot diagram? why is helium's dot diagram different? what do electron configurations show? how is the total number of electrons for an aton determined? what do all the number in the electron configuration equal to? why is knowing the period an element is in necessary to write a correct electron configuration? what does the group number tell us about the electron configuration? what are the electron configurations of Lithium (Li), Carbon (C), Magnesium (Mg), Silicon (Si), Chlorine (Cl), Potassium (K)?
The electron configuration of helium is 1s2.
The electron configuration of nobelium is [Rn]5f14.7s2.
See link below and to left for a good image of Bohr's model.
The electron configuration of nobelium is:1s22s22p63s23p63d104s24p64d104f145s25p65d105f146s26p67s2
If you think to the electron configuration of fermium this is: [Rn]5f12.7s2.
Electron Dot Diagram
Diagram C
By determining the element's orbital diagram, or its electron configuration.
The electron configuration of Fr, or Francium starts with the base configuration of [Rn]. The outer shell is 7s1, giving 1 valence electron.
A condensed (or abbreviated) electron configuration is a way to draw an orbital diagram for a late electron. For this type of diagram the core electrons are replaced with the symbol for the noble gas nearest to the element you are describing. Brackets are put around this symbol and then the outer, valence electrons are described as usual.
The orbital diagram for MAgnesium is
Two pairs of shared electrons represents a double covalent bond.