Periodic table

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What do you call rows on the periodic table?
Periods
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What do you call columns on the periodic table?
Groups
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Who was the first man to create a periodic table?
John Newlands
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Who created the second periodic table?
Dmitri Mendeleev
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How do we rank elements?
By atomic number
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Whats an atomic number?
Number of protons in an atoms nucleus
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What are the 3 main sub-atomic particles?
Electrons, Protons and Neutrons
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Where are metals found on the periodic table
Found on the left of the periodic table because they have few electrons in their outermost shell.
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Helium and argon belong to the same group in the periodic table. If helium is an inert (unreactive) gas, what is argon?
An inert gas
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Other cards in this set

Card 2

Front

What do you call columns on the periodic table?

Back

Groups

Card 3

Front

Who was the first man to create a periodic table?

Back

Preview of the front of card 3

Card 4

Front

Who created the second periodic table?

Back

Preview of the front of card 4

Card 5

Front

How do we rank elements?

Back

Preview of the front of card 5
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