Question

 What do the whole numbers on the periodic table represent?

Answer The whole numbers on a periodic table represent the atomic numbers. An atomic number is the number of protons in an element's atom. For example, the atomic number of oxygen is eight because an oxyg... Read More »
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Top Q&A For: What do the whole numbers on the periodic table...

What does the zigzag in the Periodic Table represent?

The bold zigzag line that runs down the right side of the Periodic Table generally represents the traditional boundary between metals and nonmetals. This boundary, however, is somewhat misleading b... Read More »
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What does each column of the periodic table represent?

Each column of the periodic table represents a group, or elements that have similar properties. Group 1 is the alkali metals, Group 2 is the alkaline earth metals, Groups 3-12 are the transitions m... Read More »
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Who created the Periodic Table based on atomic numbers?

Dimitri Mendeleev (1834-1907) is credited as the inventor of the Periodic Table of the Elements. Henry Mosely, an English physicist, refined and improved the table in 1914 by basing it on atomic nu... Read More »
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Who came up with the periodic table?

Dimitri Mendeleev, a Russian Chemist, came up with the first periodic table. He put the elements in order according to their atomic weight, beginning with the lightest, and grouped elements with si... Read More »
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