C3.1 The Periodic Table

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Who made the periodic table?
John Newlands and Dimitri Mendeleev
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What did they use to develop periodic table?
Octaves
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What did they order the periodic table by?
Mass
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Why did Mendeleev leave gaps in the periodic table?
For undiscovered elements
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Why do they order the periodic table?
To maintain the pattern of properties.
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When and why was the periodic table accepted?
The periodic table was accepted when eka-alluminion (gallium) was discovered in 1875 and it matched Mendeleevs predictions about it.
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Why is the periodic table important?
The periodic table is important because organizes elements according to similar properties so you can tell the characteristics of an element by just looking at its position on the table.
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Card 2

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What did they use to develop periodic table?

Back

Octaves

Card 3

Front

What did they order the periodic table by?

Back

Preview of the front of card 3

Card 4

Front

Why did Mendeleev leave gaps in the periodic table?

Back

Preview of the front of card 4

Card 5

Front

Why do they order the periodic table?

Back

Preview of the front of card 5
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