instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Group 16 is called the oxygen group.
answer:
Group 16 is called what?

question:
The reverse process of moving material into a cell is the process of exocytosis.
answer:
The reverse process of moving material into a cell is the process of what?

question:
Ionic bonds kind of bonds, where electrons are transferred rather than shared, are considered the ultimate in polarity.
answer:
What kind of bonds, where electrons are transferred rather than shared, are considered the ultimate in polarity?