Question

Question #092f3

Answer 1

To show where the metals, non-metals and metalloids are on the periodic table.

Explanation:

The elements on the left of the staircase are metals.

The element on the right of the staircase is a metalloid (semi-metal). The metalloids are B, Si, Ge, As, Sb, Te, Po (disagreement exists concerning Po).

Most of the elements that touches the staircase are metalloids.

Hope that makes sense!