The electron configuration of francium is: [Rn]7s1.
[He] 2s^2 2p^5
[He].2s2.2p5.
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[Rn]7s2
he
The element argon (atomic number 18) has the electron configuration 1s22s22p63s23p6 which can be abbreviated [Ne] 3s23p6
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[He] 2s one
it attains the configuration of neon or [He]2s22p6
The electron configuration of Fr, or Francium starts with the base configuration of [Rn]. The outer shell is 7s1, giving 1 valence electron.
The electron configuration of francium is [Rn]7s1.
abbreviated electron configuration = e.c.
The abbreviated electron configuration of sodium is [Ne]3s1.
The electron configuration of boron is [He]2s2.2p1.
The element argon (atomic number 18) has the electron configuration 1s22s22p63s23p6 which can be abbreviated [Ne] 3s23p6
no...
[Kr]
The electron configuration of nobelium is [Rn]5f14.7s2.
it attains the configuration of neon or [He]2s22p6
[He] 2s one
Fr is in the 1st period. It removes an electron to get noble gas configuration. Fr+ does not have valence electrons.Francium has 1 electron in its outermost energy level. It donates its outermost electron to stabilize its electron configuration. Francium(I) has no valence electrons.
The electron configuration of Fr, or Francium starts with the base configuration of [Rn]. The outer shell is 7s1, giving 1 valence electron.