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What are the three lightest elements in the periodic table?
HydrogenHeliumLithium
What are the three main classes of elements in a periodic table?
Three main classes are:MetalsNon metalsTransition elementsThey are present in periodic table.
Why did Mendeleev leave three spaces on the periodic table?
Because those elements were not known when he formulated his periodic table.
Are more than three-fourths of the elements in the periodic table non-metals?
No it is the other way around. The majority of elements in the periodic table are metals.
What is an inert noble gas?
Noble elements (elements in the column 8 of the periodic table) are intrinsically inert and mostly in gaseous state at room temperature (298K) and atmospheric pressure. Helium (He), Neon (Ne) and Argon (Ar) three of them. Resource: Any high school chemistry book
What is an inert/noble gas?
Noble elements (elements in the column 8 of the Periodic Table) are intrinsically inert and mostly in gaseous state at room temperature (298K) and atmospheric pressure. Helium (He), Neon (Ne) and Argon (Ar) three of them. Resource: Any high school chemistry book
What are the names of three metalliods from the periodic table of the elements?
Si, As and Te
Are most elements on the periodic table nonmetals?
No, more than three-fourths of the elements are metals. Love, Grahamcracker
Is sulfuric acid on the periodic table?
No, the periodic table only lists elements. Sulfuric acid (H2SO4) is a compound of three elements: hydrogen, sulfur, and oxygen.
Are the three main classes of elements in the periodic table?
metalsnon metalssemi metals
What are three types of categories found in the periodic table?
The three main categories of elements on the periodic table are metals, metalloids, and nonmetals.
What are the 3 types of elemnts found on the periodic table?
The three broad classes of elements found the periodic table are metals, non metals, and metalloids.
