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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.
Wiki User
∙ 8y ago
Anonymous
I think that Francium was not an element
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How was mendeleevs periodic table like todays periodic table?
it has elements
What were mendeleevs discoveries and predictions and discoveries abot the periodic table?
Mendeleev predicted that properties of elements are periodic function of atomic mass. He demonstrated it by creating a table.
Which two elements on the periodic tabel would have been placed in different groups in moseleys periodic table but not in mendeleevs?
bi and po
What is the element name of France periodic table?
The element that has the element name of France is francium.
Group 1 in the periodic table?
Group 1 in the periodic table is called the Alkali metals. It contains the elements lithium, sodium, potassium, rubidium, cesium, and francium.
How was mendeleevs periodic table like todays periodic table?
it has elements
Why the improvement in Mendeleevs periodic table was made?
To understand the concept of Periodic Table
Where does francium come in the periodic table?
Francium is in the period 7 and group 1 of the periodic table (alkali metals).
Does Francium have the largest atomic radius on the periodic table?
Francium has the largest atomic radius in Group 1 of the Periodic Table.
What period and group is francium in?
Francium is amrmber of the alkali metal familiy (group 1 in the Periodic Table of Mendeleev): Li, Na, K, Rb, Cs, Fr.
Mendeleevs periodic table of elements was created in 1901?
Mendeleev's periodic table of elements certainly wasn't created in 1901
What is francium's symbol on the periodic table?
Fr
What is the most metalic in periodic table?
Francium
Main idea of mendeleevs first periodic table?
In Mendeleev's periodic table, the elements were arranged in the increasing order of their atomic masses and repeating periodic properties.
What number is francium on the periodic table of elements?
The atomic number of francium is 87.
What block is francium in?
Francium is in the group 1 of the periodic table (alkali metals).
What is the class of francium on the periodic table?
Position of francium in the Periodic Table of Mendeleev: group 1 (alkali metals), period 7, atomic number 87.
