Answer:
These are the ten elements other than chromium and copper in the d-block don’t fit the expected configuration pattern:
niobium (Nb)
molybdenum (Mo)
ruthenium (Ru)
rhodium (Rh)
palladium (Pd)
silver (Ag)
platinum (Pt)
gold (Au)
darmstadtium (Ds)
roentgenium (Rg)
Step-by-step explanation: