hydrogen
The metal that is not grouped in the family with others is sex and rape. Those are the elements that are not grouped because of hot sexy bitchs
The Periodic Table was invented by Dmitry Mendeleyev. He grouped every known element and he used this table to predict the existence of other several elements. Mendelevium name pays homage to Dmitry Mendeleyev.
An ELEMENT can not be separated into other elements.
Dobereiner was responsible for grouping element into triads. He grouped 3 element with same properties together.
they are grouped by the number of valence electrons.
the periodic table is grouped according to similarities. when Mendeleev grouped his first periodic table they followed a pattern. any elements that contained similarities they were all put into the same column.
ReactivityThe ease and speed with which an element combines with other elements and compounds is called the "reactivity" of the element.
ReactivityThe ease and speed with which an element combines with other elements and compounds is called the "reactivity" of the element.
ReactivityThe ease and speed with which an element combines with other elements and compounds is called the "reactivity" of the element.
ReactivityThe ease and speed with which an element combines with other elements and compounds is called the "reactivity" of the element.
Silver is an element, there are no other elements in it.
there are grouped in clomesand rows ad groups