A class of elements are malleable and good conductors of electricity. They also have special properties, like strong magnetism and luminescence, which make them important in the development of new technology.
Which classifications describe this class of elements? Choose two.
A.
halogens
B.
metals
C.
nonmetals
D.
rare-earths
E.
transition metals
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The class of elements you are describing can be classified as:
D. rare-earths
E. transition metals
Both rare-earth elements and transition metals exhibit the properties you mentioned, such as malleability, good conductivity, and special properties useful in technology.
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