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.

Question

Which classifications describe this class of elements? Choose two.
A.
halogens
B.
metals
C.
nonmetals
D.
rare-earths
E.
transition metals

Answer 1

The class of elements you are describing can best be classified as:

D. rare-earths
E. transition metals

Rare-earth elements are known for their unique magnetic and luminescent properties, and transition metals are malleable, good conductors of electricity, and also exhibit special properties that make them valuable in technology.