They change with atomic number.
The Modern Periodic Law states that there will be a periodic repetition of properties when the elements are arranged according to increasing atomic number.
There are 18 periods in the periodic table. The periods are divided according to the chemical properties of elements. Elements in a group have similar properties.
number
There are 18 families. They are made according to the properties of elements. So the elements in a group has similar properties.
The Periodic Table of the Elements, sometimes called just the Periodic Table, is the document in which elements are organized by their properties. It was created in 1869.
Groups of the Periodic Table of Elements.
The Modern Periodic Law states that there will be a periodic repetition of properties when the elements are arranged according to increasing atomic number.
There are 18 periods in the periodic table. The periods are divided according to the chemical properties of elements. Elements in a group have similar properties.
according to the wights of the atoms and their properties.
according to their properties. metals, nonmetals, and metalloids
Dmitri Mendeleev is credited with arranging the elements in the periodic table according to increasing weight. He also left gaps for undiscovered elements and predicted their properties, leading to the development of the modern periodic table.
There are 18 families. They are made according to the properties of elements. So the elements in a group has similar properties.
Elements in the same group have similar properties. The groups are made according to the properties of elements. Elements in a group have an equal number of valence electrons.
periodic table
periodic table
number
Dmitri arranged elements in rows and columns. According to him, the properties of elements are periodic functions of their atomic weights.