Multiple choice

In the periodic table what does the stair‐step line (zig-zag) running diagonally tell you?

  1. the division between metals and non-metals

  2. the division between metals and metalloids

  3. the division between the noble gases and transition metals

  4. the division between covalent and ionic bonding
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A Correct answer
Explanation

The zig-zag line on the periodic table serves as a boundary separating the metals (on the left) from the non-metals (on the right). Elements adjacent to this line are often classified as metalloids.

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