A. They are malleable and lustrous, and they tend to conduct both electricity and thermal energy.
B. They are brittle and dull, and they tend to conduct both electricity and thermal energy.
C. They are brittle and dull, and they tend to be poor conductors of both electricity and thermal energy.
D. They are malleable and lustrous, and they tend to be poor conductors of both electricity and thermal energy.
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The correct statement that describes the properties of lanthanoids and actinoids is:
A. They are malleable and lustrous, and they tend to conduct both electricity and thermal energy.
While they can often be more brittle than some other metals, they typically have metallic properties including being relatively malleable, lustrous, and good conductors of electricity and thermal energy.
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