TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Compounds with metals and nonmetals sharing electrons are known as ions kinds of compounds.

SOLUTION: Compounds with metals and nonmetals sharing electrons are known as what kinds of compounds?

PROBLEM: In a carbon triple bond, three pairs of electrons are shared.

SOLUTION: In a carbon triple bond, how many pairs of electrons are shared?

PROBLEM: As the distance from earth to the star decreases, its apparent brightness increases statement correctly describes a relationship between the distance from earth and a characteristic of a star.

SOLUTION:
Which statement correctly describes a relationship between the distance from Earth and a characteristic of a star?