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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Other cards in this set
Card 2
Front
What did they use to develop periodic table?
Back
Octaves
Card 3
Front
What did they order the periodic table by?
Back
Card 4
Front
Why did Mendeleev leave gaps in the periodic table?
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