Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[Q]: The properties of the alkali metals are similar to each other as expected for elements in the same family.
[A]: The properties of the alkali metals are similar to each other as expected for elements in the same what?


[Q]: You call materials able to conduct electricity with 100% efficiency, meaning that no energy is lost during the electrical transmission, superconductors.
[A]: What do you call materials able to conduct electricity with 100% efficiency, meaning that no energy is lost during the electrical transmission?


[Q]: A scallop is a(n) mollusk.
[A]:
What type of creature is a scallop?