Gases, Solids, and Liquids.
There is also the addition of Plasma, but that is in some slightly more complex chemistry.
Which of these is not of the three main classes of elements?Read more: Which_of_these_is_not_of_the_three_main_classes_of_elements
Three main classes are:MetalsNon metalsTransition elementsThey are present in periodic table.
metalsnon metalssemi metals
The three main elements of a triangle are its three sides, three angles, and three vertices.
Carbon, hydrogen, and oxygen are the three main elements that make up living things.
bivalves gastropods cephalopods
Turbellaria , Trematoda and cestoda
The three main parts of an element are protons, neutrons, and electrons.
The 4 main classes of macromolecules are carbohydrates, proteins, lipids, and nucleic acids. All of these macromolecules contain the elements carbon, hydrogen, and oxygen.
There are three main elements of positive interaction. One of these elements is a positive and happy demeanor when greeting someone.
the are Metals, Metalliods, Non-metals
The three social classes in China under the Zhou dynasty are King, Nobles, and Peasants.