instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Carbon atoms have six neutrons as well as six protons.
answer:
Carbon atoms have six neutrons as well as how many protons?


question:
Changing the shape of an elastic material gives it potential energy.
answer:
Changing the shape of an elastic material gives it what type of energy?


question:
The metallic bond is responsible for the properties of metals.
answer:

What is responsible for the properties of metals?