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Question Video: Determining the Properties of Transition Metals Chemistry • 7th Grade

Which of the following do transition metals not exhibit? [A] They conduct heat and electricity. [B] They have high melting points. [C] They undergo irreversible oxidation. [D] They are malleable and ductile. [E] They are lustrous.

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Video Transcript

Which of the following do transition metals not exhibit? (A) They conduct heat and electricity. (B) They have high melting points. (C) They undergo irreversible oxidation. (D) They are malleable and ductile. Or (E) they are lustrous.

Let’s go through each answer choice to determine which one is not a property of transition metals.

Let’s start with (A), which states that they conduct heat and electricity. We know that this is a property of transition metals because we use a number of transition metals every day to do just that. For example, copper wires bring electricity into our homes. And they are hot to the touch when heat or a high electric load is applied to them. So answer (A) cannot be correct.

Statement (B) also describes transition metals correctly because high melting points of these metals are intrinsic properties of the elements. For example, copper, nickel, and titanium all have melting points above 1000 degrees Celsius. So (B) cannot be the correct answer either.

Statement (D) is an accurate and important property of transition metals. Transition metals are malleable materials that that can be hammered and pressed into shape without breaking or cracking. Scientists also describe metals as ductile because they readily form thin wires without snapping.

Statement (E) also correctly describes transition metal elements. Lustrous materials tend to reflect light evenly without sparkling. You can see these properties are common in metals like iron and gold. And so answer (E) cannot be the correct answer.

This leaves us with answer choice (C). Transition metals are relatively easy to oxidize and most even have several possible oxidation states. It is possible for many metals to convert between these states through redox reactions. At this point, we can answer the question. Which of the following do transition metals not exhibit? And the correct answer is (C): they undergo irreversible oxidation.

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