Alice is answering the following exam question.Alice has written these possible answers. Which one of the following is the correct answer to the above question?Iron is a non-metal. One of the properties of non-metals is that they naturally are colourful. This means that when they react with other substances, the compound produced has a colour that is a mixture of the two.Iron is a transition metal. One of the properties of transition metals is that they can form different ions. In this example, iron forms both Fe2+ and Fe3+ ions. This allows iron to form multiple compounds.Iron is a metal. One of the properties of all metals is that they can form various ions. This allows them to react with substances as chlorine to form multiple compounds.I DON'T KNOWSUBMIT ANSWER
Question
Alice is answering the following exam question.Alice has written these possible answers. Which one of the following is the correct answer to the above question?Iron is a non-metal. One of the properties of non-metals is that they naturally are colourful. This means that when they react with other substances, the compound produced has a colour that is a mixture of the two.Iron is a transition metal. One of the properties of transition metals is that they can form different ions. In this example, iron forms both Fe2+ and Fe3+ ions. This allows iron to form multiple compounds.Iron is a metal. One of the properties of all metals is that they can form various ions. This allows them to react with substances as chlorine to form multiple compounds.I DON'T KNOWSUBMIT ANSWER
Solution
The correct answer is: "Iron is a transition metal. One of the properties of transition metals is that they can form different ions. In this example, iron forms both Fe2+ and Fe3+ ions. This allows iron to form multiple compounds."
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