Question

which letter order gives the color - coded regions of s, p, d, and f in order? o w,x,y,z o z,x,y,w o w,y,x,z o y,w,x,z

Explanation:

In the periodic - table, the s - block elements are in the left - most two columns (green region, labeled W), the p - block elements are on the right - hand side (purple region, labeled Y), the d - block elements are in the middle (blue region, labeled X), and the f - block elements are in the bottom two rows (orange region, labeled Z).

Answer:

W, Y, X, Z