fill in the blanks with the answer choices
physical, groups, nucleus, chemical
the periodic table is organized by rows and columns based upon the blank and blank properties of element
the periodic table is organized by rows and columns based upon the physical and chemical properties of element
the periodic table is organized by rows and columns based upon the physical and chemical properties of elements.
The periodic table is organized by rows and columns based upon the physical and chemical properties of elements.
To understand why the periodic table is organized in this way, we need to understand what physical and chemical properties of elements are.
Physical properties are characteristics that can be observed or measured without changing the chemical identity of a substance. Examples of physical properties include density, melting point, boiling point, and color. These properties provide information about the physical behavior of elements.
Chemical properties, on the other hand, describe how substances interact with other substances or undergo chemical reactions. These properties include reactivity, flammability, and the ability to form chemical bonds.
The periodic table takes into account both physical and chemical properties to group elements with similar characteristics together. This organization allows scientists to easily identify patterns and trends that exist within the elements. Each row in the periodic table is called a period and represents the number of electron shells in an element's atom. Each column is called a group or a family and represents elements with similar properties, such as similar valence electron configurations.
So, in summary, the periodic table is organized by rows and columns based upon the physical and chemical properties of elements, which allows scientists to study the relationships between different elements and understand their behaviors.