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Which of these is not of the three main classes of elements?
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What are the three main elements included on an envelope?
The three main elements included on an envelope are the recipient's address, the sender's return address, and postage.
What are the three main catigories of elements?
metals, metalloids, and nonmetals.
Which of the following groups of elements are in the main group alkali metals non metals transition elements or halogens?
Alkali metalsNonmetalsHalogens
What are the three main elements of medical care?
The three main elements of medical care are prevention (to reduce the risk of illness), diagnosis (to identify health issues), and treatment (to provide appropriate care and support).
What elements have more predictable properties main group elements or transition elements?
main group elements
What are the three main classes of elements in a periodic table?
Three main classes are:MetalsNon metalsTransition elementsThey are present in periodic table.
Are the three main classes of elements in the periodic table?
metalsnon metalssemi metals
What is the three main classes of the elements?
Gases, Solids, and Liquids. There is also the addition of Plasma, but that is in some slightly more complex chemistry.
What are the three main elements of a triangle?
The three main elements of a triangle are its three sides, three angles, and three vertices.
What three main elements make organisms?
Carbon, hydrogen, and oxygen are the three main elements that make up living things.
Three main classes of mollusks?
bivalves gastropods cephalopods
What are the three main classes of flatworms?
Turbellaria , Trematoda and cestoda
What is are the three main parts of elements?
The three main parts of an element are protons, neutrons, and electrons.
What are the three elements of interaction?
There are three main elements of positive interaction. One of these elements is a positive and happy demeanor when greeting someone.
Name the 4 Main classes of macromolecules ( organic molecules ) and tell what 3 elements all of these contain?
The 4 main classes of macromolecules are carbohydrates, proteins, lipids, and nucleic acids. All of these macromolecules contain the elements carbon, hydrogen, and oxygen.
What are the three main classes of element?
the are Metals, Metalliods, Non-metals
What are the three main elements of living things?
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