Francium is amrmber of the alkali metal familiy (group 1 in the Periodic Table of Mendeleev): Li, Na, K, Rb, Cs, Fr.
Francium is an alkali metal, group 1 in the periodic table of Mendeleev and as well as the modern periodic table.
Francium is a member of the alkali metals family, group 1 in the periodic table of Mendeleev.
Francium is a member of the alkali metals family, group 1 in the periodic table of Mendeleev.
Francium metal is located in group-1 on the periodic table. Its symbol is Fr.
The position of francium in the periodic table of Mendeleev is: group 1 (alkali metals) and period 7; the atomic number of francium is 87.
Francium is in the group 1 of the periodic table (alkali metals).
Francium is in the period 7 and group 1 of the periodic table (alkali metals).
Francium is placed in the group 1 (alkali metals), period 7 of the periodic table of Mendeleev.
It is in period 7, group 1.
Chromium is the element in period 4 and group 6.
Francium has the largest atomic radius in Group 1 of the Periodic Table.
· Francium Sulfide (Fr2S) · Francium Phosphide (Fr3P) · Francium Bromide (FrBr) · Francium Sulfite (Fr2SO3) · Francium Hydrogen Oxalate (FrHC2­O4)
1. Naturally: francium 221 and francium 223 appear in the decay chains of neptunium or uranium 235. 2. Artificially: francium isotopes can be obtained by nuclear reactions in laboratories.
Francium
Francium is in the period 7 and group 1 of the periodic table (alkali metals).
we can see in the first group
That's right, period 7, group 1.
Francium is in the period 7 and group 1 of the periodic table (alkali metals).
In 1869 when D. Mendeleev designed his periodic table any element in the period 7 was known. Today francium is in the group 1, period 7, atomic number 87.
Position of francium in the Periodic Table of Mendeleev: group 1 (alkali metals), period 7, atomic number 87.
Francium is in the group 1 (alkali metals) of the periodic table.
Chromium is the element in period 4 and group 6.
Fr or Francium is the most reactive alkali metal (group 1)
Francium is a member of the alkali metals group (group 1 of the periodic table).
Francium
Francium is in the group 1 of the periodic table (alkali metals).