Puzzle 6

Chile produces more of this metal than any country.

Roman who betrayed, assassinated Julius Caesar.

Type of particle collided at CERN's LHC.

Sitting on a lawnmower.

Cut of boneless meat or fish.

Painting eggs with stain.

Deceptive malware with Ancient Greek name.

Modal verb implying obligation or requirement.

First name of The Walking Dead actor Reedus.

Tennis Grand Slam held at Flushing Meadows.

Money On __; 2014 hit single for Sam Smith.

Practical jokes played on April Fools' Day.

Flock of geese.