Which of the following groups of elements are likely to have substances that have both metal and non-metallic properties?

Actinides

Group 18

Lanthanides

Group 14

group 14

Answer : Group 14 elements are likely to have substances that have both metal and non-metallic properties.

Explanation:

Metalloid : It is a type of element whose properties lies in between the metals and non-metals.

There are commonly six metalloids : Boron (group 13), Silicon & Germanium (group 14), Arsenic & Antimony (group 15), Tellurium (group 16).

Properties of Metalloids:

Metalloids look like metals but behave largely like non-metals. Metalloids are solid, brittle and lustrous. Metalloids has ability to conduct electricity.

Therefore, Group 14 elements are likely to have substances that have both metal and non-metallic properties.