The electron configuration of francium refers to the arrangement of electrons in the francium atom’s orbitals. It describes how electrons are distributed among the various atomic orbitals and energy levels, and provides a detailed map of where each electron is likely to be found.

2016年12月22日 · We can see that francium has 87 electrons. Counting down from hydrogen, which is in the n=1 shell, francium's outermost electrons are "contained" within the n=7 shell and the element resides in the "s-block." Hydrogen, in the n=1 shell, has the simple electron configuration of 1s^1. Helium is 1s^2.

这种化学元素具有已知最小量的电负性，其原子序数为87，符号为Fr。 它是自然界中含量第二少的元素，仅次于砹。 这种金属是碱性的，具有高活性和放射性； 它衰变产生镭、砹和氡。

In the case of francium, its simplified or abbreviated electron configuration is [Rn]7s1, while the long or full version of the element configuration is written as 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 7s1. The ionic radius of francium is 194 pm and its Bohr radius and atomic radius are 270 pm.

2018年8月2日 · Francium atoms have 87 electrons and the shell structure is 2.8.18.32.18.8.1. The ground state electron configuration of ground state gaseous neutral francium is [Rn].7s 1 and the term symbol is 2 S 1/2.

Fr (Francium) is an element with position number 87 in the periodic table. Located in the VII period. Melting point: 27 ℃. Density: 1.87 g/cm 3.

2018年3月2日 · Francium definition, discovery, properties (atomic mass, color, melting point, atomic number, electron configuration), reactivity in water, common uses

2023年5月27日 · The electronic configuration of francium (Fr 87): 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6 7s1. The noble gas configuration for francium: [Rn] 7s1, where Rn= Radon. Paramagnetic in nature due to a single unpaired S-electron. Compounds formed by Francium are characterized by relatively high melting and high boiling points.

Francium is a chemical element of the periodic table with chemical symbol Fr and atomic number 87 with an atomic weight of 223 u and is classed as alkali metal and is part of group 1 (alkali metal). Francium is solid at room temperature.

Francium - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.