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Why are there lines on the periodic table

User Starnetter
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2 Answers

12 votes

Answer:

The zigzagging line (amphoteric line) on the right side of the periodic table is the dividing line between metals and non-metals and those on the zigzag lines are called metalloids.

[RevyBreeze]

User Gloribel
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The staircase line indicates the position of the metalloids in the Periodic Table.
User Wilth
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