Given a scientific passage and an answer, generate a question for the given answer.

Q: Passage: Substances may be either elements or pure compounds. They may also be solid, liquid, or gas. Some of the elements (such as silver) exist in the solid form. Other elements (mercury) exist as liquids at room temperature. Elements such as helium and radon exist as gases at room temperature. A compound such as water will take the form of a solid, a liquid, or a gas, depending upon the temperature. Answer: pure compounds

A: Substances may be either elements or what?
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Q: Passage: Figure 24.13 The lifecycle of an ascomycete is characterized by the production of asci during the sexual phase. The haploid phase is the predominant phase of the life cycle. Answer: asci

A: The lifecycle of an ascomycete is characterized by the production of what during the sexual phase?
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Q: Passage: Metals will typically lose electrons to achieve stability, while non-metals typically gain electrons to achieve stability. Two atoms or ions with the same number of electrons are referred to as isoelectronic . Answer: electrons

A:
What do metals typically lose to achieve stability?
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