TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Atoms are most stable when they have _ electrons in their outer electron energy level.

SOLUTION: eight

PROBLEM: Most crops require at least _ to eight hours of full sun a day to thrive.

SOLUTION: six

PROBLEM: Natural palladium contains _ stable isotopes.

SOLUTION:
six