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# Early History of the Periodic Table

## Two early attempts to organize the known elements.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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## Early History of the Periodic Table

by CK-12 //at grade
Describes the history of the periodic table, the Dobereiner triads, and the Newland octaves.
MEMORY METER
This indicates how strong in your memory this concept is
10
• Video

## Solving the Puzzle of the Periodic Table

by CK-12 //at grade
Shows the history of the periodic table, including early knowledge of elements and older periodic tables. Demonstrates how each piece of knowledge helped to eventually create the periodic table we know today.
MEMORY METER
This indicates how strong in your memory this concept is
1
• Downloadable Quiz

## Early History of the Periodic Table Quiz

by CK-12 //at grade
Reviews the history of the periodic table, the Dobereiner triads, and the Newland octaves.
MEMORY METER
This indicates how strong in your memory this concept is
0
• 0
• Real World Application

## Finding Patterns in Elemental Behavior

by CK-12 //at grade
Discover how the elements were organized into what we now know as the periodic table.
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0
• Real World Application

## It's Greek to Me

by CK-12 //at grade
Learn about how ancient Greek philosophers viewed the material world.
MEMORY METER
This indicates how strong in your memory this concept is
1
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