In the first Periodic Table by Mendeleev, he arranged the elements in the increasing order of their atomic masses and repeating properties.
All elements have several properties.
Mendeleev arranged the elements according to their atomic weight and valence.
No two elements have the same properties.
elements are a compourn of THEIR properties
Too much for a simple answer on WikiAnswers ! Please read an introductory treatise on inorganic chemistry.
Mendeleev was the first to notice that properties of elements exist as a perdoic function of atomic mass
Dmitri Mendeleev
why the first elements and eighth elements shows similar properties
In the first Periodic Table by Mendeleev, he arranged the elements in the increasing order of their atomic masses and repeating properties.
the properties of a compound are not the same as the elements that form them.
All elements have several properties.
Patterns in the elements’ properties. -Apex
Mendeleev arranged the elements according to their atomic weight and valence.
The properties of the compound will differ from the properties of the elements of which it is made.
No two elements have the same properties.
The properties of the elements are changed.