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26 Cards in this Set
- Front
- Back
What did Dmitri Mendeleev do?
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Mendeleev produced the first periodic table in 1869.
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What did Dmitri Mendeleev do?
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Mendeleev produced the first periodic table in 1869.
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What is the atomic number and where is it located?
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The number at the top of the square that tells you how many protons are in the nucleus of an atom.
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What are the three major groups that the elements are arranged in?
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Metals, Mettalloids, and Nonmetals
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Why are the elements in a column called a group?
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The elements seem to be related and show many similarities in characteristics.
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How are the elements arranged by size?
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The biggest elements are in the bottom left corner. The smallest are in the top right corner. They increase in size from the top right to the bottom left.
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H
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Hydrogen
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C
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Carbon
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N
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Nitrogen
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O
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Oxygen
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He
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Helium
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Al
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Aluminium
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Cu
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Copper
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Ag
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Silver
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Au
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Gold
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Hg
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Mercury
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Fe
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Iron
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K
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Potassium
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Ca
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Calcium
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Cl
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Chlorine
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S
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Sulfur
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Ne
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Neon
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Ni
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Nickel
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As
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Arsenic
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Pb
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Lead
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Ti
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Titanium
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